Home / 47,485.52-71,229.09-39,132.80

Finding the Fourth Proportional to 47,485.52, 71,229.09 and 39,132.80

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Solution

The fourth proportional to 47,485.52, 71,229.09 and 39,132.80 is: 58,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.52 : 71,229.09 = 39,132.80 : x
  2. Step 2: Convert to fraction form
    47,485.52/71,229.09 = 39,132.80/x
  3. Step 3: Cross multiply
    47,485.52x = 71,229.09 × 39,132.80
  4. Step 4: Simplify right side
    47,485.52x = 2,787,393,377.01
  5. Step 5: Solve for x
    x = 2,787,393,377.01/47,485.52
  6. Step 6: Final answer
    x = 58,699.87

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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.