Home / 47,686.62-71,522.19-19,600.99

Finding the Fourth Proportional to 47,686.62, 71,522.19 and 19,600.99

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Solution

The fourth proportional to 47,686.62, 71,522.19 and 19,600.99 is: 29,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,686.62 : 71,522.19 = 19,600.99 : x
  2. Step 2: Convert to fraction form
    47,686.62/71,522.19 = 19,600.99/x
  3. Step 3: Cross multiply
    47,686.62x = 71,522.19 × 19,600.99
  4. Step 4: Simplify right side
    47,686.62x = 1,401,905,552.16
  5. Step 5: Solve for x
    x = 1,401,905,552.16/47,686.62
  6. Step 6: Final answer
    x = 29,398.30

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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.