Home / 31,310.92-43,200.42-17,877.28

Finding the Fourth Proportional to 31,310.92, 43,200.42 and 17,877.28

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Solution

The fourth proportional to 31,310.92, 43,200.42 and 17,877.28 is: 24,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.92 : 43,200.42 = 17,877.28 : x
  2. Step 2: Convert to fraction form
    31,310.92/43,200.42 = 17,877.28/x
  3. Step 3: Cross multiply
    31,310.92x = 43,200.42 × 17,877.28
  4. Step 4: Simplify right side
    31,310.92x = 772,306,004.46
  5. Step 5: Solve for x
    x = 772,306,004.46/31,310.92
  6. Step 6: Final answer
    x = 24,665.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.