Home / 54,280.32-81,432.08-16,839.56

Finding the Fourth Proportional to 54,280.32, 81,432.08 and 16,839.56

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Solution

The fourth proportional to 54,280.32, 81,432.08 and 16,839.56 is: 25,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.32 : 81,432.08 = 16,839.56 : x
  2. Step 2: Convert to fraction form
    54,280.32/81,432.08 = 16,839.56/x
  3. Step 3: Cross multiply
    54,280.32x = 81,432.08 × 16,839.56
  4. Step 4: Simplify right side
    54,280.32x = 1,371,280,397.08
  5. Step 5: Solve for x
    x = 1,371,280,397.08/54,280.32
  6. Step 6: Final answer
    x = 25,262.94

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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.