Home / 47,427.27-71,140.10-14,147.43

Finding the Fourth Proportional to 47,427.27, 71,140.10 and 14,147.43

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Solution

The fourth proportional to 47,427.27, 71,140.10 and 14,147.43 is: 21,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,427.27 : 71,140.10 = 14,147.43 : x
  2. Step 2: Convert to fraction form
    47,427.27/71,140.10 = 14,147.43/x
  3. Step 3: Cross multiply
    47,427.27x = 71,140.10 × 14,147.43
  4. Step 4: Simplify right side
    47,427.27x = 1,006,449,514.21
  5. Step 5: Solve for x
    x = 1,006,449,514.21/47,427.27
  6. Step 6: Final answer
    x = 21,220.90

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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.