Home / 31,930.79-47,896.18-9,744.28

Finding the Fourth Proportional to 31,930.79, 47,896.18 and 9,744.28

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Solution

The fourth proportional to 31,930.79, 47,896.18 and 9,744.28 is: 14,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.79 : 47,896.18 = 9,744.28 : x
  2. Step 2: Convert to fraction form
    31,930.79/47,896.18 = 9,744.28/x
  3. Step 3: Cross multiply
    31,930.79x = 47,896.18 × 9,744.28
  4. Step 4: Simplify right side
    31,930.79x = 466,713,644.75
  5. Step 5: Solve for x
    x = 466,713,644.75/31,930.79
  6. Step 6: Final answer
    x = 14,616.42

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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.