Home / 31,694.22-47,541.60-8,320.50

Finding the Fourth Proportional to 31,694.22, 47,541.60 and 8,320.50

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Solution

The fourth proportional to 31,694.22, 47,541.60 and 8,320.50 is: 12,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.22 : 47,541.60 = 8,320.50 : x
  2. Step 2: Convert to fraction form
    31,694.22/47,541.60 = 8,320.50/x
  3. Step 3: Cross multiply
    31,694.22x = 47,541.60 × 8,320.50
  4. Step 4: Simplify right side
    31,694.22x = 395,569,882.80
  5. Step 5: Solve for x
    x = 395,569,882.80/31,694.22
  6. Step 6: Final answer
    x = 12,480.82

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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.