Home / 42,387.30-63,592.02-22,649.76

Finding the Fourth Proportional to 42,387.30, 63,592.02 and 22,649.76

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Solution

The fourth proportional to 42,387.30, 63,592.02 and 22,649.76 is: 33,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,387.30 : 63,592.02 = 22,649.76 : x
  2. Step 2: Convert to fraction form
    42,387.30/63,592.02 = 22,649.76/x
  3. Step 3: Cross multiply
    42,387.30x = 63,592.02 × 22,649.76
  4. Step 4: Simplify right side
    42,387.30x = 1,440,343,990.92
  5. Step 5: Solve for x
    x = 1,440,343,990.92/42,387.30
  6. Step 6: Final answer
    x = 33,980.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.