Home / 54,176.20-81,105.90-38,624.20

Finding the Fourth Proportional to 54,176.20, 81,105.90 and 38,624.20

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Solution

The fourth proportional to 54,176.20, 81,105.90 and 38,624.20 is: 57,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,176.20 : 81,105.90 = 38,624.20 : x
  2. Step 2: Convert to fraction form
    54,176.20/81,105.90 = 38,624.20/x
  3. Step 3: Cross multiply
    54,176.20x = 81,105.90 × 38,624.20
  4. Step 4: Simplify right side
    54,176.20x = 3,132,650,502.78
  5. Step 5: Solve for x
    x = 3,132,650,502.78/54,176.20
  6. Step 6: Final answer
    x = 57,823.37

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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.