Home / 54,281.40-81,422.10-32,119.80

Finding the Fourth Proportional to 54,281.40, 81,422.10 and 32,119.80

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Solution

The fourth proportional to 54,281.40, 81,422.10 and 32,119.80 is: 48,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.40 : 81,422.10 = 32,119.80 : x
  2. Step 2: Convert to fraction form
    54,281.40/81,422.10 = 32,119.80/x
  3. Step 3: Cross multiply
    54,281.40x = 81,422.10 × 32,119.80
  4. Step 4: Simplify right side
    54,281.40x = 2,615,261,567.58
  5. Step 5: Solve for x
    x = 2,615,261,567.58/54,281.40
  6. Step 6: Final answer
    x = 48,179.70

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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.