Home / 60,203.38-90,309.39-20,759.92

Finding the Fourth Proportional to 60,203.38, 90,309.39 and 20,759.92

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Solution

The fourth proportional to 60,203.38, 90,309.39 and 20,759.92 is: 31,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,203.38 : 90,309.39 = 20,759.92 : x
  2. Step 2: Convert to fraction form
    60,203.38/90,309.39 = 20,759.92/x
  3. Step 3: Cross multiply
    60,203.38x = 90,309.39 × 20,759.92
  4. Step 4: Simplify right side
    60,203.38x = 1,874,815,763.55
  5. Step 5: Solve for x
    x = 1,874,815,763.55/60,203.38
  6. Step 6: Final answer
    x = 31,141.37

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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.