Home / 36,422.72-50,251.68-21,515.84

Finding the Fourth Proportional to 36,422.72, 50,251.68 and 21,515.84

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Solution

The fourth proportional to 36,422.72, 50,251.68 and 21,515.84 is: 29,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,422.72 : 50,251.68 = 21,515.84 : x
  2. Step 2: Convert to fraction form
    36,422.72/50,251.68 = 21,515.84/x
  3. Step 3: Cross multiply
    36,422.72x = 50,251.68 × 21,515.84
  4. Step 4: Simplify right side
    36,422.72x = 1,081,207,106.61
  5. Step 5: Solve for x
    x = 1,081,207,106.61/36,422.72
  6. Step 6: Final answer
    x = 29,684.96

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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.