Home / 40,819.40-61,192.12-14,517.98

Finding the Fourth Proportional to 40,819.40, 61,192.12 and 14,517.98

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Solution

The fourth proportional to 40,819.40, 61,192.12 and 14,517.98 is: 21,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,819.40 : 61,192.12 = 14,517.98 : x
  2. Step 2: Convert to fraction form
    40,819.40/61,192.12 = 14,517.98/x
  3. Step 3: Cross multiply
    40,819.40x = 61,192.12 × 14,517.98
  4. Step 4: Simplify right side
    40,819.40x = 888,385,785.04
  5. Step 5: Solve for x
    x = 888,385,785.04/40,819.40
  6. Step 6: Final answer
    x = 21,763.81

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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.