Home / 55,578.38-83,366.64-13,458.17

Finding the Fourth Proportional to 55,578.38, 83,366.64 and 13,458.17

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Solution

The fourth proportional to 55,578.38, 83,366.64 and 13,458.17 is: 20,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.38 : 83,366.64 = 13,458.17 : x
  2. Step 2: Convert to fraction form
    55,578.38/83,366.64 = 13,458.17/x
  3. Step 3: Cross multiply
    55,578.38x = 83,366.64 × 13,458.17
  4. Step 4: Simplify right side
    55,578.38x = 1,121,961,996.62
  5. Step 5: Solve for x
    x = 1,121,961,996.62/55,578.38
  6. Step 6: Final answer
    x = 20,187.02

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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.