Home / 54,520.60-81,833.10-28,244.20

Finding the Fourth Proportional to 54,520.60, 81,833.10 and 28,244.20

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Solution

The fourth proportional to 54,520.60, 81,833.10 and 28,244.20 is: 42,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.60 : 81,833.10 = 28,244.20 : x
  2. Step 2: Convert to fraction form
    54,520.60/81,833.10 = 28,244.20/x
  3. Step 3: Cross multiply
    54,520.60x = 81,833.10 × 28,244.20
  4. Step 4: Simplify right side
    54,520.60x = 2,311,310,443.02
  5. Step 5: Solve for x
    x = 2,311,310,443.02/54,520.60
  6. Step 6: Final answer
    x = 42,393.34

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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.