Home / 31,377.43-47,023.38-17,316.50

Finding the Fourth Proportional to 31,377.43, 47,023.38 and 17,316.50

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Solution

The fourth proportional to 31,377.43, 47,023.38 and 17,316.50 is: 25,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.43 : 47,023.38 = 17,316.50 : x
  2. Step 2: Convert to fraction form
    31,377.43/47,023.38 = 17,316.50/x
  3. Step 3: Cross multiply
    31,377.43x = 47,023.38 × 17,316.50
  4. Step 4: Simplify right side
    31,377.43x = 814,280,273.19
  5. Step 5: Solve for x
    x = 814,280,273.19/31,377.43
  6. Step 6: Final answer
    x = 25,951.15

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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.