Home / 40,741.53-61,112.34-11,159.62

Finding the Fourth Proportional to 40,741.53, 61,112.34 and 11,159.62

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Solution

The fourth proportional to 40,741.53, 61,112.34 and 11,159.62 is: 16,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,741.53 : 61,112.34 = 11,159.62 : x
  2. Step 2: Convert to fraction form
    40,741.53/61,112.34 = 11,159.62/x
  3. Step 3: Cross multiply
    40,741.53x = 61,112.34 × 11,159.62
  4. Step 4: Simplify right side
    40,741.53x = 681,990,338.93
  5. Step 5: Solve for x
    x = 681,990,338.93/40,741.53
  6. Step 6: Final answer
    x = 16,739.44

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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.