Home / 31,761.20-43,827.36-17,613.76

Finding the Fourth Proportional to 31,761.20, 43,827.36 and 17,613.76

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Solution

The fourth proportional to 31,761.20, 43,827.36 and 17,613.76 is: 24,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.20 : 43,827.36 = 17,613.76 : x
  2. Step 2: Convert to fraction form
    31,761.20/43,827.36 = 17,613.76/x
  3. Step 3: Cross multiply
    31,761.20x = 43,827.36 × 17,613.76
  4. Step 4: Simplify right side
    31,761.20x = 771,964,600.47
  5. Step 5: Solve for x
    x = 771,964,600.47/31,761.20
  6. Step 6: Final answer
    x = 24,305.27

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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.