Home / 40,605.04-56,031.36-22,697.68

Finding the Fourth Proportional to 40,605.04, 56,031.36 and 22,697.68

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Solution

The fourth proportional to 40,605.04, 56,031.36 and 22,697.68 is: 31,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.04 : 56,031.36 = 22,697.68 : x
  2. Step 2: Convert to fraction form
    40,605.04/56,031.36 = 22,697.68/x
  3. Step 3: Cross multiply
    40,605.04x = 56,031.36 × 22,697.68
  4. Step 4: Simplify right side
    40,605.04x = 1,271,781,879.24
  5. Step 5: Solve for x
    x = 1,271,781,879.24/40,605.04
  6. Step 6: Final answer
    x = 31,320.79

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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.