Home / 40,780.92-56,273.14-22,872.20

Finding the Fourth Proportional to 40,780.92, 56,273.14 and 22,872.20

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Solution

The fourth proportional to 40,780.92, 56,273.14 and 22,872.20 is: 31,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,780.92 : 56,273.14 = 22,872.20 : x
  2. Step 2: Convert to fraction form
    40,780.92/56,273.14 = 22,872.20/x
  3. Step 3: Cross multiply
    40,780.92x = 56,273.14 × 22,872.20
  4. Step 4: Simplify right side
    40,780.92x = 1,287,090,512.71
  5. Step 5: Solve for x
    x = 1,287,090,512.71/40,780.92
  6. Step 6: Final answer
    x = 31,561.10

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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.