Home / 31,641.76-47,470.56-9,455.04

Finding the Fourth Proportional to 31,641.76, 47,470.56 and 9,455.04

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Solution

The fourth proportional to 31,641.76, 47,470.56 and 9,455.04 is: 14,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.76 : 47,470.56 = 9,455.04 : x
  2. Step 2: Convert to fraction form
    31,641.76/47,470.56 = 9,455.04/x
  3. Step 3: Cross multiply
    31,641.76x = 47,470.56 × 9,455.04
  4. Step 4: Simplify right side
    31,641.76x = 448,836,043.62
  5. Step 5: Solve for x
    x = 448,836,043.62/31,641.76
  6. Step 6: Final answer
    x = 14,184.93

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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.