Home / 42,134.13-63,201.17-12,551.20

Finding the Fourth Proportional to 42,134.13, 63,201.17 and 12,551.20

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Solution

The fourth proportional to 42,134.13, 63,201.17 and 12,551.20 is: 18,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,134.13 : 63,201.17 = 12,551.20 : x
  2. Step 2: Convert to fraction form
    42,134.13/63,201.17 = 12,551.20/x
  3. Step 3: Cross multiply
    42,134.13x = 63,201.17 × 12,551.20
  4. Step 4: Simplify right side
    42,134.13x = 793,250,398.28
  5. Step 5: Solve for x
    x = 793,250,398.28/42,134.13
  6. Step 6: Final answer
    x = 18,826.79

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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.