Home / 47,422.62-71,144.10-14,145.30

Finding the Fourth Proportional to 47,422.62, 71,144.10 and 14,145.30

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Solution

The fourth proportional to 47,422.62, 71,144.10 and 14,145.30 is: 21,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,422.62 : 71,144.10 = 14,145.30 : x
  2. Step 2: Convert to fraction form
    47,422.62/71,144.10 = 14,145.30/x
  3. Step 3: Cross multiply
    47,422.62x = 71,144.10 × 14,145.30
  4. Step 4: Simplify right side
    47,422.62x = 1,006,354,637.73
  5. Step 5: Solve for x
    x = 1,006,354,637.73/47,422.62
  6. Step 6: Final answer
    x = 21,220.98

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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.