Home / 31,729.68-47,561.52-10,654.08

Finding the Fourth Proportional to 31,729.68, 47,561.52 and 10,654.08

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Solution

The fourth proportional to 31,729.68, 47,561.52 and 10,654.08 is: 15,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.68 : 47,561.52 = 10,654.08 : x
  2. Step 2: Convert to fraction form
    31,729.68/47,561.52 = 10,654.08/x
  3. Step 3: Cross multiply
    31,729.68x = 47,561.52 × 10,654.08
  4. Step 4: Simplify right side
    31,729.68x = 506,724,239.00
  5. Step 5: Solve for x
    x = 506,724,239.00/31,729.68
  6. Step 6: Final answer
    x = 15,970.04

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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.