Home / 31,898.57-47,854.77-9,711.37

Finding the Fourth Proportional to 31,898.57, 47,854.77 and 9,711.37

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Solution

The fourth proportional to 31,898.57, 47,854.77 and 9,711.37 is: 14,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,898.57 : 47,854.77 = 9,711.37 : x
  2. Step 2: Convert to fraction form
    31,898.57/47,854.77 = 9,711.37/x
  3. Step 3: Cross multiply
    31,898.57x = 47,854.77 × 9,711.37
  4. Step 4: Simplify right side
    31,898.57x = 464,735,377.73
  5. Step 5: Solve for x
    x = 464,735,377.73/31,898.57
  6. Step 6: Final answer
    x = 14,569.16

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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.