Home / 36,759.96-50,715-21,643.38

Finding the Fourth Proportional to 36,759.96, 50,715 and 21,643.38

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Solution

The fourth proportional to 36,759.96, 50,715 and 21,643.38 is: 29,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,759.96 : 50,715 = 21,643.38 : x
  2. Step 2: Convert to fraction form
    36,759.96/50,715 = 21,643.38/x
  3. Step 3: Cross multiply
    36,759.96x = 50,715 × 21,643.38
  4. Step 4: Simplify right side
    36,759.96x = 1,097,644,016.70
  5. Step 5: Solve for x
    x = 1,097,644,016.70/36,759.96
  6. Step 6: Final answer
    x = 29,859.77

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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.