Home / 54,460.38-81,655.61-21,144.95

Finding the Fourth Proportional to 54,460.38, 81,655.61 and 21,144.95

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Solution

The fourth proportional to 54,460.38, 81,655.61 and 21,144.95 is: 31,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,460.38 : 81,655.61 = 21,144.95 : x
  2. Step 2: Convert to fraction form
    54,460.38/81,655.61 = 21,144.95/x
  3. Step 3: Cross multiply
    54,460.38x = 81,655.61 × 21,144.95
  4. Step 4: Simplify right side
    54,460.38x = 1,726,603,701.82
  5. Step 5: Solve for x
    x = 1,726,603,701.82/54,460.38
  6. Step 6: Final answer
    x = 31,703.85

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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.