Home / 40,921.74-61,382.14-11,338.47

Finding the Fourth Proportional to 40,921.74, 61,382.14 and 11,338.47

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Solution

The fourth proportional to 40,921.74, 61,382.14 and 11,338.47 is: 17,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.74 : 61,382.14 = 11,338.47 : x
  2. Step 2: Convert to fraction form
    40,921.74/61,382.14 = 11,338.47/x
  3. Step 3: Cross multiply
    40,921.74x = 61,382.14 × 11,338.47
  4. Step 4: Simplify right side
    40,921.74x = 695,979,524.58
  5. Step 5: Solve for x
    x = 695,979,524.58/40,921.74
  6. Step 6: Final answer
    x = 17,007.57

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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.