Home / 45,043.78-62,160.38-27,139.54

Finding the Fourth Proportional to 45,043.78, 62,160.38 and 27,139.54

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Solution

The fourth proportional to 45,043.78, 62,160.38 and 27,139.54 is: 37,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.78 : 62,160.38 = 27,139.54 : x
  2. Step 2: Convert to fraction form
    45,043.78/62,160.38 = 27,139.54/x
  3. Step 3: Cross multiply
    45,043.78x = 62,160.38 × 27,139.54
  4. Step 4: Simplify right side
    45,043.78x = 1,687,004,119.43
  5. Step 5: Solve for x
    x = 1,687,004,119.43/45,043.78
  6. Step 6: Final answer
    x = 37,452.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.