Home / 50,818.28-76,213.65-21,229.93

Finding the Fourth Proportional to 50,818.28, 76,213.65 and 21,229.93

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Solution

The fourth proportional to 50,818.28, 76,213.65 and 21,229.93 is: 31,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,818.28 : 76,213.65 = 21,229.93 : x
  2. Step 2: Convert to fraction form
    50,818.28/76,213.65 = 21,229.93/x
  3. Step 3: Cross multiply
    50,818.28x = 76,213.65 × 21,229.93
  4. Step 4: Simplify right side
    50,818.28x = 1,618,010,073.48
  5. Step 5: Solve for x
    x = 1,618,010,073.48/50,818.28
  6. Step 6: Final answer
    x = 31,839.13

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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.