Home / 47,601.12-71,401.15-19,514.90

Finding the Fourth Proportional to 47,601.12, 71,401.15 and 19,514.90

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Solution

The fourth proportional to 47,601.12, 71,401.15 and 19,514.90 is: 29,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,601.12 : 71,401.15 = 19,514.90 : x
  2. Step 2: Convert to fraction form
    47,601.12/71,401.15 = 19,514.90/x
  3. Step 3: Cross multiply
    47,601.12x = 71,401.15 × 19,514.90
  4. Step 4: Simplify right side
    47,601.12x = 1,393,386,302.14
  5. Step 5: Solve for x
    x = 1,393,386,302.14/47,601.12
  6. Step 6: Final answer
    x = 29,272.13

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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.