Home / 31,708.20-47,569.59-9,521.99

Finding the Fourth Proportional to 31,708.20, 47,569.59 and 9,521.99

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Solution

The fourth proportional to 31,708.20, 47,569.59 and 9,521.99 is: 14,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.20 : 47,569.59 = 9,521.99 : x
  2. Step 2: Convert to fraction form
    31,708.20/47,569.59 = 9,521.99/x
  3. Step 3: Cross multiply
    31,708.20x = 47,569.59 × 9,521.99
  4. Step 4: Simplify right side
    31,708.20x = 452,957,368.40
  5. Step 5: Solve for x
    x = 452,957,368.40/31,708.20
  6. Step 6: Final answer
    x = 14,285.18

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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.