Home / 40,061.28-55,285.02-22,155.96

Finding the Fourth Proportional to 40,061.28, 55,285.02 and 22,155.96

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Solution

The fourth proportional to 40,061.28, 55,285.02 and 22,155.96 is: 30,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,061.28 : 55,285.02 = 22,155.96 : x
  2. Step 2: Convert to fraction form
    40,061.28/55,285.02 = 22,155.96/x
  3. Step 3: Cross multiply
    40,061.28x = 55,285.02 × 22,155.96
  4. Step 4: Simplify right side
    40,061.28x = 1,224,892,691.72
  5. Step 5: Solve for x
    x = 1,224,892,691.72/40,061.28
  6. Step 6: Final answer
    x = 30,575.48

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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.