Home / 55,866.08-83,781.12-18,417.44

Finding the Fourth Proportional to 55,866.08, 83,781.12 and 18,417.44

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Solution

The fourth proportional to 55,866.08, 83,781.12 and 18,417.44 is: 27,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.08 : 83,781.12 = 18,417.44 : x
  2. Step 2: Convert to fraction form
    55,866.08/83,781.12 = 18,417.44/x
  3. Step 3: Cross multiply
    55,866.08x = 83,781.12 × 18,417.44
  4. Step 4: Simplify right side
    55,866.08x = 1,543,033,750.73
  5. Step 5: Solve for x
    x = 1,543,033,750.73/55,866.08
  6. Step 6: Final answer
    x = 27,620.23

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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.