Home / 67,553.38-101,275.36-28,140

Finding the Fourth Proportional to 67,553.38, 101,275.36 and 28,140

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Solution

The fourth proportional to 67,553.38, 101,275.36 and 28,140 is: 42,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,553.38 : 101,275.36 = 28,140 : x
  2. Step 2: Convert to fraction form
    67,553.38/101,275.36 = 28,140/x
  3. Step 3: Cross multiply
    67,553.38x = 101,275.36 × 28,140
  4. Step 4: Simplify right side
    67,553.38x = 2,849,888,630.40
  5. Step 5: Solve for x
    x = 2,849,888,630.40/67,553.38
  6. Step 6: Final answer
    x = 42,187.21

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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.