Home / 45,349.12-67,930.11-26,572.21

Finding the Fourth Proportional to 45,349.12, 67,930.11 and 26,572.21

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Solution

The fourth proportional to 45,349.12, 67,930.11 and 26,572.21 is: 39,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.12 : 67,930.11 = 26,572.21 : x
  2. Step 2: Convert to fraction form
    45,349.12/67,930.11 = 26,572.21/x
  3. Step 3: Cross multiply
    45,349.12x = 67,930.11 × 26,572.21
  4. Step 4: Simplify right side
    45,349.12x = 1,805,053,148.24
  5. Step 5: Solve for x
    x = 1,805,053,148.24/45,349.12
  6. Step 6: Final answer
    x = 39,803.49

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Similar ratio
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1.5x scale

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.