Home / 60,741.46-91,113-21,299.73

Finding the Fourth Proportional to 60,741.46, 91,113 and 21,299.73

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Solution

The fourth proportional to 60,741.46, 91,113 and 21,299.73 is: 31,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,741.46 : 91,113 = 21,299.73 : x
  2. Step 2: Convert to fraction form
    60,741.46/91,113 = 21,299.73/x
  3. Step 3: Cross multiply
    60,741.46x = 91,113 × 21,299.73
  4. Step 4: Simplify right side
    60,741.46x = 1,940,682,299.49
  5. Step 5: Solve for x
    x = 1,940,682,299.49/60,741.46
  6. Step 6: Final answer
    x = 31,949.88

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Double scale
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Similar ratio
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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.