Home / 45,123.06-62,229.42-29,190.90

Finding the Fourth Proportional to 45,123.06, 62,229.42 and 29,190.90

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Solution

The fourth proportional to 45,123.06, 62,229.42 and 29,190.90 is: 40,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,123.06 : 62,229.42 = 29,190.90 : x
  2. Step 2: Convert to fraction form
    45,123.06/62,229.42 = 29,190.90/x
  3. Step 3: Cross multiply
    45,123.06x = 62,229.42 × 29,190.90
  4. Step 4: Simplify right side
    45,123.06x = 1,816,532,776.28
  5. Step 5: Solve for x
    x = 1,816,532,776.28/45,123.06
  6. Step 6: Final answer
    x = 40,257.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.