Home / 42,038.76-63,014.30-15,732.04

Finding the Fourth Proportional to 42,038.76, 63,014.30 and 15,732.04

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Solution

The fourth proportional to 42,038.76, 63,014.30 and 15,732.04 is: 23,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038.76 : 63,014.30 = 15,732.04 : x
  2. Step 2: Convert to fraction form
    42,038.76/63,014.30 = 15,732.04/x
  3. Step 3: Cross multiply
    42,038.76x = 63,014.30 × 15,732.04
  4. Step 4: Simplify right side
    42,038.76x = 991,343,488.17
  5. Step 5: Solve for x
    x = 991,343,488.17/42,038.76
  6. Step 6: Final answer
    x = 23,581.65

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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.