Home / 40,743.19-61,114.79-11,161.18

Finding the Fourth Proportional to 40,743.19, 61,114.79 and 11,161.18

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Solution

The fourth proportional to 40,743.19, 61,114.79 and 11,161.18 is: 16,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.19 : 61,114.79 = 11,161.18 : x
  2. Step 2: Convert to fraction form
    40,743.19/61,114.79 = 11,161.18/x
  3. Step 3: Cross multiply
    40,743.19x = 61,114.79 × 11,161.18
  4. Step 4: Simplify right side
    40,743.19x = 682,113,171.85
  5. Step 5: Solve for x
    x = 682,113,171.85/40,743.19
  6. Step 6: Final answer
    x = 16,741.77

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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.