Home / 54,327.40-81,491.10-36,612.70

Finding the Fourth Proportional to 54,327.40, 81,491.10 and 36,612.70

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Solution

The fourth proportional to 54,327.40, 81,491.10 and 36,612.70 is: 54,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.40 : 81,491.10 = 36,612.70 : x
  2. Step 2: Convert to fraction form
    54,327.40/81,491.10 = 36,612.70/x
  3. Step 3: Cross multiply
    54,327.40x = 81,491.10 × 36,612.70
  4. Step 4: Simplify right side
    54,327.40x = 2,983,609,196.97
  5. Step 5: Solve for x
    x = 2,983,609,196.97/54,327.40
  6. Step 6: Final answer
    x = 54,919.05

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Similar ratio
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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.