Home / 40,747.01-61,120.53-11,165.06

Finding the Fourth Proportional to 40,747.01, 61,120.53 and 11,165.06

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Solution

The fourth proportional to 40,747.01, 61,120.53 and 11,165.06 is: 16,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,747.01 : 61,120.53 = 11,165.06 : x
  2. Step 2: Convert to fraction form
    40,747.01/61,120.53 = 11,165.06/x
  3. Step 3: Cross multiply
    40,747.01x = 61,120.53 × 11,165.06
  4. Step 4: Simplify right side
    40,747.01x = 682,414,079.08
  5. Step 5: Solve for x
    x = 682,414,079.08/40,747.01
  6. Step 6: Final answer
    x = 16,747.59

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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.