Home / 40,285.77-55,609.34-34,597.68

Finding the Fourth Proportional to 40,285.77, 55,609.34 and 34,597.68

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Solution

The fourth proportional to 40,285.77, 55,609.34 and 34,597.68 is: 47,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.77 : 55,609.34 = 34,597.68 : x
  2. Step 2: Convert to fraction form
    40,285.77/55,609.34 = 34,597.68/x
  3. Step 3: Cross multiply
    40,285.77x = 55,609.34 × 34,597.68
  4. Step 4: Simplify right side
    40,285.77x = 1,923,954,150.33
  5. Step 5: Solve for x
    x = 1,923,954,150.33/40,285.77
  6. Step 6: Final answer
    x = 47,757.66

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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.