Home / 54,278.34-81,422.67-16,838.82

Finding the Fourth Proportional to 54,278.34, 81,422.67 and 16,838.82

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Solution

The fourth proportional to 54,278.34, 81,422.67 and 16,838.82 is: 25,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.34 : 81,422.67 = 16,838.82 : x
  2. Step 2: Convert to fraction form
    54,278.34/81,422.67 = 16,838.82/x
  3. Step 3: Cross multiply
    54,278.34x = 81,422.67 × 16,838.82
  4. Step 4: Simplify right side
    54,278.34x = 1,371,061,684.05
  5. Step 5: Solve for x
    x = 1,371,061,684.05/54,278.34
  6. Step 6: Final answer
    x = 25,259.83

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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.