Home / 31,655.40-47,469.24-15,020.17

Finding the Fourth Proportional to 31,655.40, 47,469.24 and 15,020.17

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Solution

The fourth proportional to 31,655.40, 47,469.24 and 15,020.17 is: 22,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655.40 : 47,469.24 = 15,020.17 : x
  2. Step 2: Convert to fraction form
    31,655.40/47,469.24 = 15,020.17/x
  3. Step 3: Cross multiply
    31,655.40x = 47,469.24 × 15,020.17
  4. Step 4: Simplify right side
    31,655.40x = 712,996,054.57
  5. Step 5: Solve for x
    x = 712,996,054.57/31,655.40
  6. Step 6: Final answer
    x = 22,523.68

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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.