Home / 31,698.76-47,545.29-9,517.09

Finding the Fourth Proportional to 31,698.76, 47,545.29 and 9,517.09

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Solution

The fourth proportional to 31,698.76, 47,545.29 and 9,517.09 is: 14,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,698.76 : 47,545.29 = 9,517.09 : x
  2. Step 2: Convert to fraction form
    31,698.76/47,545.29 = 9,517.09/x
  3. Step 3: Cross multiply
    31,698.76x = 47,545.29 × 9,517.09
  4. Step 4: Simplify right side
    31,698.76x = 452,492,804.01
  5. Step 5: Solve for x
    x = 452,492,804.01/31,698.76
  6. Step 6: Final answer
    x = 14,274.78

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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.