Home / 40,874.61-61,311.31-11,291.79

Finding the Fourth Proportional to 40,874.61, 61,311.31 and 11,291.79

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Solution

The fourth proportional to 40,874.61, 61,311.31 and 11,291.79 is: 16,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874.61 : 61,311.31 = 11,291.79 : x
  2. Step 2: Convert to fraction form
    40,874.61/61,311.31 = 11,291.79/x
  3. Step 3: Cross multiply
    40,874.61x = 61,311.31 × 11,291.79
  4. Step 4: Simplify right side
    40,874.61x = 692,314,380.69
  5. Step 5: Solve for x
    x = 692,314,380.69/40,874.61
  6. Step 6: Final answer
    x = 16,937.52

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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.