Home / 40,742.66-61,114.03-11,160.75

Finding the Fourth Proportional to 40,742.66, 61,114.03 and 11,160.75

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Solution

The fourth proportional to 40,742.66, 61,114.03 and 11,160.75 is: 16,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.66 : 61,114.03 = 11,160.75 : x
  2. Step 2: Convert to fraction form
    40,742.66/61,114.03 = 11,160.75/x
  3. Step 3: Cross multiply
    40,742.66x = 61,114.03 × 11,160.75
  4. Step 4: Simplify right side
    40,742.66x = 682,078,104.75
  5. Step 5: Solve for x
    x = 682,078,104.75/40,742.66
  6. Step 6: Final answer
    x = 16,741.13

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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.