Home / 31,729.20-47,593.80-26,545.20

Finding the Fourth Proportional to 31,729.20, 47,593.80 and 26,545.20

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Solution

The fourth proportional to 31,729.20, 47,593.80 and 26,545.20 is: 39,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.20 : 47,593.80 = 26,545.20 : x
  2. Step 2: Convert to fraction form
    31,729.20/47,593.80 = 26,545.20/x
  3. Step 3: Cross multiply
    31,729.20x = 47,593.80 × 26,545.20
  4. Step 4: Simplify right side
    31,729.20x = 1,263,386,939.76
  5. Step 5: Solve for x
    x = 1,263,386,939.76/31,729.20
  6. Step 6: Final answer
    x = 39,817.80

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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.