Home / 40,213.64-60,299.85-21,248.45

Finding the Fourth Proportional to 40,213.64, 60,299.85 and 21,248.45

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Solution

The fourth proportional to 40,213.64, 60,299.85 and 21,248.45 is: 31,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.64 : 60,299.85 = 21,248.45 : x
  2. Step 2: Convert to fraction form
    40,213.64/60,299.85 = 21,248.45/x
  3. Step 3: Cross multiply
    40,213.64x = 60,299.85 × 21,248.45
  4. Step 4: Simplify right side
    40,213.64x = 1,281,278,046.23
  5. Step 5: Solve for x
    x = 1,281,278,046.23/40,213.64
  6. Step 6: Final answer
    x = 31,861.78

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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.