Home / 54,234.20-81,391.80-27,925.40

Finding the Fourth Proportional to 54,234.20, 81,391.80 and 27,925.40

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Solution

The fourth proportional to 54,234.20, 81,391.80 and 27,925.40 is: 41,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.20 : 81,391.80 = 27,925.40 : x
  2. Step 2: Convert to fraction form
    54,234.20/81,391.80 = 27,925.40/x
  3. Step 3: Cross multiply
    54,234.20x = 81,391.80 × 27,925.40
  4. Step 4: Simplify right side
    54,234.20x = 2,272,898,571.72
  5. Step 5: Solve for x
    x = 2,272,898,571.72/54,234.20
  6. Step 6: Final answer
    x = 41,908.95

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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.