Home / 54,215.56-81,193.66-34,432.20

Finding the Fourth Proportional to 54,215.56, 81,193.66 and 34,432.20

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Solution

The fourth proportional to 54,215.56, 81,193.66 and 34,432.20 is: 51,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.56 : 81,193.66 = 34,432.20 : x
  2. Step 2: Convert to fraction form
    54,215.56/81,193.66 = 34,432.20/x
  3. Step 3: Cross multiply
    54,215.56x = 81,193.66 × 34,432.20
  4. Step 4: Simplify right side
    54,215.56x = 2,795,676,339.85
  5. Step 5: Solve for x
    x = 2,795,676,339.85/54,215.56
  6. Step 6: Final answer
    x = 51,565.94

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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.