Home / 54,496.61-81,711.47-21,177.77

Finding the Fourth Proportional to 54,496.61, 81,711.47 and 21,177.77

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Solution

The fourth proportional to 54,496.61, 81,711.47 and 21,177.77 is: 31,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,496.61 : 81,711.47 = 21,177.77 : x
  2. Step 2: Convert to fraction form
    54,496.61/81,711.47 = 21,177.77/x
  3. Step 3: Cross multiply
    54,496.61x = 81,711.47 × 21,177.77
  4. Step 4: Simplify right side
    54,496.61x = 1,730,466,589.41
  5. Step 5: Solve for x
    x = 1,730,466,589.41/54,496.61
  6. Step 6: Final answer
    x = 31,753.65

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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.