Home / 54,373.68-81,565.38-21,092.94

Finding the Fourth Proportional to 54,373.68, 81,565.38 and 21,092.94

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Solution

The fourth proportional to 54,373.68, 81,565.38 and 21,092.94 is: 31,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,373.68 : 81,565.38 = 21,092.94 : x
  2. Step 2: Convert to fraction form
    54,373.68/81,565.38 = 21,092.94/x
  3. Step 3: Cross multiply
    54,373.68x = 81,565.38 × 21,092.94
  4. Step 4: Simplify right side
    54,373.68x = 1,720,453,666.42
  5. Step 5: Solve for x
    x = 1,720,453,666.42/54,373.68
  6. Step 6: Final answer
    x = 31,641.30

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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.