Home / 41,140.11-61,663.50-18,907.53

Finding the Fourth Proportional to 41,140.11, 61,663.50 and 18,907.53

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Solution

The fourth proportional to 41,140.11, 61,663.50 and 18,907.53 is: 28,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.11 : 61,663.50 = 18,907.53 : x
  2. Step 2: Convert to fraction form
    41,140.11/61,663.50 = 18,907.53/x
  3. Step 3: Cross multiply
    41,140.11x = 61,663.50 × 18,907.53
  4. Step 4: Simplify right side
    41,140.11x = 1,165,904,381.62
  5. Step 5: Solve for x
    x = 1,165,904,381.62/41,140.11
  6. Step 6: Final answer
    x = 28,339.85

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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.