Home / 55,563.90-83,354.49-18,115.28

Finding the Fourth Proportional to 55,563.90, 83,354.49 and 18,115.28

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Solution

The fourth proportional to 55,563.90, 83,354.49 and 18,115.28 is: 27,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,563.90 : 83,354.49 = 18,115.28 : x
  2. Step 2: Convert to fraction form
    55,563.90/83,354.49 = 18,115.28/x
  3. Step 3: Cross multiply
    55,563.90x = 83,354.49 × 18,115.28
  4. Step 4: Simplify right side
    55,563.90x = 1,509,989,508.83
  5. Step 5: Solve for x
    x = 1,509,989,508.83/55,563.90
  6. Step 6: Final answer
    x = 27,175.73

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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.