Home / 40,772.20-61,028.70-29,108.20

Finding the Fourth Proportional to 40,772.20, 61,028.70 and 29,108.20

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Solution

The fourth proportional to 40,772.20, 61,028.70 and 29,108.20 is: 43,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.20 : 61,028.70 = 29,108.20 : x
  2. Step 2: Convert to fraction form
    40,772.20/61,028.70 = 29,108.20/x
  3. Step 3: Cross multiply
    40,772.20x = 61,028.70 × 29,108.20
  4. Step 4: Simplify right side
    40,772.20x = 1,776,435,605.34
  5. Step 5: Solve for x
    x = 1,776,435,605.34/40,772.20
  6. Step 6: Final answer
    x = 43,569.78

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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.