Home / 47,921.92-66,132.52-27,790.75

Finding the Fourth Proportional to 47,921.92, 66,132.52 and 27,790.75

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Solution

The fourth proportional to 47,921.92, 66,132.52 and 27,790.75 is: 38,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.92 : 66,132.52 = 27,790.75 : x
  2. Step 2: Convert to fraction form
    47,921.92/66,132.52 = 27,790.75/x
  3. Step 3: Cross multiply
    47,921.92x = 66,132.52 × 27,790.75
  4. Step 4: Simplify right side
    47,921.92x = 1,837,872,095.38
  5. Step 5: Solve for x
    x = 1,837,872,095.38/47,921.92
  6. Step 6: Final answer
    x = 38,351.39

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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.