Home / 40,829.43-61,251.30-18,645.04

Finding the Fourth Proportional to 40,829.43, 61,251.30 and 18,645.04

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Solution

The fourth proportional to 40,829.43, 61,251.30 and 18,645.04 is: 27,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,829.43 : 61,251.30 = 18,645.04 : x
  2. Step 2: Convert to fraction form
    40,829.43/61,251.30 = 18,645.04/x
  3. Step 3: Cross multiply
    40,829.43x = 61,251.30 × 18,645.04
  4. Step 4: Simplify right side
    40,829.43x = 1,142,032,938.55
  5. Step 5: Solve for x
    x = 1,142,032,938.55/40,829.43
  6. Step 6: Final answer
    x = 27,970.83

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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.