Home / 54,201.18-81,255.05-20,944.58

Finding the Fourth Proportional to 54,201.18, 81,255.05 and 20,944.58

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Solution

The fourth proportional to 54,201.18, 81,255.05 and 20,944.58 is: 31,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,201.18 : 81,255.05 = 20,944.58 : x
  2. Step 2: Convert to fraction form
    54,201.18/81,255.05 = 20,944.58/x
  3. Step 3: Cross multiply
    54,201.18x = 81,255.05 × 20,944.58
  4. Step 4: Simplify right side
    54,201.18x = 1,701,853,150.63
  5. Step 5: Solve for x
    x = 1,701,853,150.63/54,201.18
  6. Step 6: Final answer
    x = 31,398.82

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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.