Home / 60,998.38-91,503.58-21,020.56

Finding the Fourth Proportional to 60,998.38, 91,503.58 and 21,020.56

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Solution

The fourth proportional to 60,998.38, 91,503.58 and 21,020.56 is: 31,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,998.38 : 91,503.58 = 21,020.56 : x
  2. Step 2: Convert to fraction form
    60,998.38/91,503.58 = 21,020.56/x
  3. Step 3: Cross multiply
    60,998.38x = 91,503.58 × 21,020.56
  4. Step 4: Simplify right side
    60,998.38x = 1,923,456,493.60
  5. Step 5: Solve for x
    x = 1,923,456,493.60/60,998.38
  6. Step 6: Final answer
    x = 31,532.91

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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.