Home / 38,273.82-57,410.76-20,854.38

Finding the Fourth Proportional to 38,273.82, 57,410.76 and 20,854.38

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Solution

The fourth proportional to 38,273.82, 57,410.76 and 20,854.38 is: 31,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.82 : 57,410.76 = 20,854.38 : x
  2. Step 2: Convert to fraction form
    38,273.82/57,410.76 = 20,854.38/x
  3. Step 3: Cross multiply
    38,273.82x = 57,410.76 × 20,854.38
  4. Step 4: Simplify right side
    38,273.82x = 1,197,265,805.13
  5. Step 5: Solve for x
    x = 1,197,265,805.13/38,273.82
  6. Step 6: Final answer
    x = 31,281.59

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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.