Home / 47,562.39-71,338.19-12,504.78

Finding the Fourth Proportional to 47,562.39, 71,338.19 and 12,504.78

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Solution

The fourth proportional to 47,562.39, 71,338.19 and 12,504.78 is: 18,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,562.39 : 71,338.19 = 12,504.78 : x
  2. Step 2: Convert to fraction form
    47,562.39/71,338.19 = 12,504.78/x
  3. Step 3: Cross multiply
    47,562.39x = 71,338.19 × 12,504.78
  4. Step 4: Simplify right side
    47,562.39x = 892,068,309.02
  5. Step 5: Solve for x
    x = 892,068,309.02/47,562.39
  6. Step 6: Final answer
    x = 18,755.75

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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.