Home / 40,910.04-56,452.68-23,001.57

Finding the Fourth Proportional to 40,910.04, 56,452.68 and 23,001.57

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Solution

The fourth proportional to 40,910.04, 56,452.68 and 23,001.57 is: 31,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.04 : 56,452.68 = 23,001.57 : x
  2. Step 2: Convert to fraction form
    40,910.04/56,452.68 = 23,001.57/x
  3. Step 3: Cross multiply
    40,910.04x = 56,452.68 × 23,001.57
  4. Step 4: Simplify right side
    40,910.04x = 1,298,500,270.71
  5. Step 5: Solve for x
    x = 1,298,500,270.71/40,910.04
  6. Step 6: Final answer
    x = 31,740.38

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Find fourth proportional to 20,455.02, 28,226.34 and 11,500.79
Half scale
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Find fourth proportional to 40,911.04, 56,454.06 and 23,002.57
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.