Home / 36,419.28-50,264.88-21,103.68

Finding the Fourth Proportional to 36,419.28, 50,264.88 and 21,103.68

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Solution

The fourth proportional to 36,419.28, 50,264.88 and 21,103.68 is: 29,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.28 : 50,264.88 = 21,103.68 : x
  2. Step 2: Convert to fraction form
    36,419.28/50,264.88 = 21,103.68/x
  3. Step 3: Cross multiply
    36,419.28x = 50,264.88 × 21,103.68
  4. Step 4: Simplify right side
    36,419.28x = 1,060,773,942.76
  5. Step 5: Solve for x
    x = 1,060,773,942.76/36,419.28
  6. Step 6: Final answer
    x = 29,126.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.