Home / 31,708.20-47,562.30-9,521.76

Finding the Fourth Proportional to 31,708.20, 47,562.30 and 9,521.76

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Solution

The fourth proportional to 31,708.20, 47,562.30 and 9,521.76 is: 14,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.20 : 47,562.30 = 9,521.76 : x
  2. Step 2: Convert to fraction form
    31,708.20/47,562.30 = 9,521.76/x
  3. Step 3: Cross multiply
    31,708.20x = 47,562.30 × 9,521.76
  4. Step 4: Simplify right side
    31,708.20x = 452,876,805.65
  5. Step 5: Solve for x
    x = 452,876,805.65/31,708.20
  6. Step 6: Final answer
    x = 14,282.64

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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.