Home / 42,551.30-63,826.92-11,385.74

Finding the Fourth Proportional to 42,551.30, 63,826.92 and 11,385.74

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Solution

The fourth proportional to 42,551.30, 63,826.92 and 11,385.74 is: 17,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,551.30 : 63,826.92 = 11,385.74 : x
  2. Step 2: Convert to fraction form
    42,551.30/63,826.92 = 11,385.74/x
  3. Step 3: Cross multiply
    42,551.30x = 63,826.92 × 11,385.74
  4. Step 4: Simplify right side
    42,551.30x = 726,716,716.12
  5. Step 5: Solve for x
    x = 726,716,716.12/42,551.30
  6. Step 6: Final answer
    x = 17,078.60

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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.