Home / 54,042.60-81,015.30-35,331.60

Finding the Fourth Proportional to 54,042.60, 81,015.30 and 35,331.60

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Solution

The fourth proportional to 54,042.60, 81,015.30 and 35,331.60 is: 52,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.60 : 81,015.30 = 35,331.60 : x
  2. Step 2: Convert to fraction form
    54,042.60/81,015.30 = 35,331.60/x
  3. Step 3: Cross multiply
    54,042.60x = 81,015.30 × 35,331.60
  4. Step 4: Simplify right side
    54,042.60x = 2,862,400,173.48
  5. Step 5: Solve for x
    x = 2,862,400,173.48/54,042.60
  6. Step 6: Final answer
    x = 52,965.63

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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.