Home / 55,579.04-83,377.28-18,130.47

Finding the Fourth Proportional to 55,579.04, 83,377.28 and 18,130.47

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Solution

The fourth proportional to 55,579.04, 83,377.28 and 18,130.47 is: 27,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.04 : 83,377.28 = 18,130.47 : x
  2. Step 2: Convert to fraction form
    55,579.04/83,377.28 = 18,130.47/x
  3. Step 3: Cross multiply
    55,579.04x = 83,377.28 × 18,130.47
  4. Step 4: Simplify right side
    55,579.04x = 1,511,669,273.72
  5. Step 5: Solve for x
    x = 1,511,669,273.72/55,579.04
  6. Step 6: Final answer
    x = 27,198.55

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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.