Home / 42,008.38-63,024.87-12,427.01

Finding the Fourth Proportional to 42,008.38, 63,024.87 and 12,427.01

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Solution

The fourth proportional to 42,008.38, 63,024.87 and 12,427.01 is: 18,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.38 : 63,024.87 = 12,427.01 : x
  2. Step 2: Convert to fraction form
    42,008.38/63,024.87 = 12,427.01/x
  3. Step 3: Cross multiply
    42,008.38x = 63,024.87 × 12,427.01
  4. Step 4: Simplify right side
    42,008.38x = 783,210,689.74
  5. Step 5: Solve for x
    x = 783,210,689.74/42,008.38
  6. Step 6: Final answer
    x = 18,644.15

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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.