Home / 40,299.33-60,455.54-12,212.81

Finding the Fourth Proportional to 40,299.33, 60,455.54 and 12,212.81

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Solution

The fourth proportional to 40,299.33, 60,455.54 and 12,212.81 is: 18,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.33 : 60,455.54 = 12,212.81 : x
  2. Step 2: Convert to fraction form
    40,299.33/60,455.54 = 12,212.81/x
  3. Step 3: Cross multiply
    40,299.33x = 60,455.54 × 12,212.81
  4. Step 4: Simplify right side
    40,299.33x = 738,332,023.47
  5. Step 5: Solve for x
    x = 738,332,023.47/40,299.33
  6. Step 6: Final answer
    x = 18,321.20

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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.