Home / 47,554.39-71,326.17-12,496.78

Finding the Fourth Proportional to 47,554.39, 71,326.17 and 12,496.78

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Solution

The fourth proportional to 47,554.39, 71,326.17 and 12,496.78 is: 18,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,554.39 : 71,326.17 = 12,496.78 : x
  2. Step 2: Convert to fraction form
    47,554.39/71,326.17 = 12,496.78/x
  3. Step 3: Cross multiply
    47,554.39x = 71,326.17 × 12,496.78
  4. Step 4: Simplify right side
    47,554.39x = 891,347,454.73
  5. Step 5: Solve for x
    x = 891,347,454.73/47,554.39
  6. Step 6: Final answer
    x = 18,743.75

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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.