Home / 41,193.86-61,742.19-18,986.90

Finding the Fourth Proportional to 41,193.86, 61,742.19 and 18,986.90

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Solution

The fourth proportional to 41,193.86, 61,742.19 and 18,986.90 is: 28,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,193.86 : 61,742.19 = 18,986.90 : x
  2. Step 2: Convert to fraction form
    41,193.86/61,742.19 = 18,986.90/x
  3. Step 3: Cross multiply
    41,193.86x = 61,742.19 × 18,986.90
  4. Step 4: Simplify right side
    41,193.86x = 1,172,292,787.31
  5. Step 5: Solve for x
    x = 1,172,292,787.31/41,193.86
  6. Step 6: Final answer
    x = 28,457.95

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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.