Home / 40,818.40-61,227.60-17,447.20

Finding the Fourth Proportional to 40,818.40, 61,227.60 and 17,447.20

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Solution

The fourth proportional to 40,818.40, 61,227.60 and 17,447.20 is: 26,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,818.40 : 61,227.60 = 17,447.20 : x
  2. Step 2: Convert to fraction form
    40,818.40/61,227.60 = 17,447.20/x
  3. Step 3: Cross multiply
    40,818.40x = 61,227.60 × 17,447.20
  4. Step 4: Simplify right side
    40,818.40x = 1,068,250,182.72
  5. Step 5: Solve for x
    x = 1,068,250,182.72/40,818.40
  6. Step 6: Final answer
    x = 26,170.80

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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.