Home / 55,578.04-83,375.78-18,129.47

Finding the Fourth Proportional to 55,578.04, 83,375.78 and 18,129.47

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Solution

The fourth proportional to 55,578.04, 83,375.78 and 18,129.47 is: 27,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.04 : 83,375.78 = 18,129.47 : x
  2. Step 2: Convert to fraction form
    55,578.04/83,375.78 = 18,129.47/x
  3. Step 3: Cross multiply
    55,578.04x = 83,375.78 × 18,129.47
  4. Step 4: Simplify right side
    55,578.04x = 1,511,558,702.24
  5. Step 5: Solve for x
    x = 1,511,558,702.24/55,578.04
  6. Step 6: Final answer
    x = 27,197.05

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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.