Home / 42,551-63,826.50-11,385.44

Finding the Fourth Proportional to 42,551, 63,826.50 and 11,385.44

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Solution

The fourth proportional to 42,551, 63,826.50 and 11,385.44 is: 17,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,551 : 63,826.50 = 11,385.44 : x
  2. Step 2: Convert to fraction form
    42,551/63,826.50 = 11,385.44/x
  3. Step 3: Cross multiply
    42,551x = 63,826.50 × 11,385.44
  4. Step 4: Simplify right side
    42,551x = 726,692,786.16
  5. Step 5: Solve for x
    x = 726,692,786.16/42,551
  6. Step 6: Final answer
    x = 17,078.16

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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.