Home / 54,452.38-81,601.95-43,309.61

Finding the Fourth Proportional to 54,452.38, 81,601.95 and 43,309.61

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Solution

The fourth proportional to 54,452.38, 81,601.95 and 43,309.61 is: 64,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452.38 : 81,601.95 = 43,309.61 : x
  2. Step 2: Convert to fraction form
    54,452.38/81,601.95 = 43,309.61/x
  3. Step 3: Cross multiply
    54,452.38x = 81,601.95 × 43,309.61
  4. Step 4: Simplify right side
    54,452.38x = 3,534,148,629.74
  5. Step 5: Solve for x
    x = 3,534,148,629.74/54,452.38
  6. Step 6: Final answer
    x = 64,903.47

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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.