Home / 54,324.20-81,487.90-25,853.80

Finding the Fourth Proportional to 54,324.20, 81,487.90 and 25,853.80

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Solution

The fourth proportional to 54,324.20, 81,487.90 and 25,853.80 is: 38,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.20 : 81,487.90 = 25,853.80 : x
  2. Step 2: Convert to fraction form
    54,324.20/81,487.90 = 25,853.80/x
  3. Step 3: Cross multiply
    54,324.20x = 81,487.90 × 25,853.80
  4. Step 4: Simplify right side
    54,324.20x = 2,106,771,869.02
  5. Step 5: Solve for x
    x = 2,106,771,869.02/54,324.20
  6. Step 6: Final answer
    x = 38,781.46

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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.