Home / 41,155.55-61,651.10-18,938.46

Finding the Fourth Proportional to 41,155.55, 61,651.10 and 18,938.46

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Solution

The fourth proportional to 41,155.55, 61,651.10 and 18,938.46 is: 28,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,155.55 : 61,651.10 = 18,938.46 : x
  2. Step 2: Convert to fraction form
    41,155.55/61,651.10 = 18,938.46/x
  3. Step 3: Cross multiply
    41,155.55x = 61,651.10 × 18,938.46
  4. Step 4: Simplify right side
    41,155.55x = 1,167,576,796.61
  5. Step 5: Solve for x
    x = 1,167,576,796.61/41,155.55
  6. Step 6: Final answer
    x = 28,369.85

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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.