Home / 47,959.42-71,939.13-20,257.66

Finding the Fourth Proportional to 47,959.42, 71,939.13 and 20,257.66

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Solution

The fourth proportional to 47,959.42, 71,939.13 and 20,257.66 is: 30,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,959.42 : 71,939.13 = 20,257.66 : x
  2. Step 2: Convert to fraction form
    47,959.42/71,939.13 = 20,257.66/x
  3. Step 3: Cross multiply
    47,959.42x = 71,939.13 × 20,257.66
  4. Step 4: Simplify right side
    47,959.42x = 1,457,318,436.24
  5. Step 5: Solve for x
    x = 1,457,318,436.24/47,959.42
  6. Step 6: Final answer
    x = 30,386.49

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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.