Home / 40,950.30-61,425.72-12,487.62

Finding the Fourth Proportional to 40,950.30, 61,425.72 and 12,487.62

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Solution

The fourth proportional to 40,950.30, 61,425.72 and 12,487.62 is: 18,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,950.30 : 61,425.72 = 12,487.62 : x
  2. Step 2: Convert to fraction form
    40,950.30/61,425.72 = 12,487.62/x
  3. Step 3: Cross multiply
    40,950.30x = 61,425.72 × 12,487.62
  4. Step 4: Simplify right side
    40,950.30x = 767,061,049.59
  5. Step 5: Solve for x
    x = 767,061,049.59/40,950.30
  6. Step 6: Final answer
    x = 18,731.51

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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.