Home / 54,301.60-81,422.88-16,851.52

Finding the Fourth Proportional to 54,301.60, 81,422.88 and 16,851.52

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Solution

The fourth proportional to 54,301.60, 81,422.88 and 16,851.52 is: 25,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.60 : 81,422.88 = 16,851.52 : x
  2. Step 2: Convert to fraction form
    54,301.60/81,422.88 = 16,851.52/x
  3. Step 3: Cross multiply
    54,301.60x = 81,422.88 × 16,851.52
  4. Step 4: Simplify right side
    54,301.60x = 1,372,099,290.78
  5. Step 5: Solve for x
    x = 1,372,099,290.78/54,301.60
  6. Step 6: Final answer
    x = 25,268.12

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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.