Home / 54,169.38-81,252.18-19,108.26

Finding the Fourth Proportional to 54,169.38, 81,252.18 and 19,108.26

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Solution

The fourth proportional to 54,169.38, 81,252.18 and 19,108.26 is: 28,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169.38 : 81,252.18 = 19,108.26 : x
  2. Step 2: Convert to fraction form
    54,169.38/81,252.18 = 19,108.26/x
  3. Step 3: Cross multiply
    54,169.38x = 81,252.18 × 19,108.26
  4. Step 4: Simplify right side
    54,169.38x = 1,552,587,781.01
  5. Step 5: Solve for x
    x = 1,552,587,781.01/54,169.38
  6. Step 6: Final answer
    x = 28,661.72

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1.5x scale

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.