Home / 36,788.46-50,767.62-21,681.78

Finding the Fourth Proportional to 36,788.46, 50,767.62 and 21,681.78

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Solution

The fourth proportional to 36,788.46, 50,767.62 and 21,681.78 is: 29,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788.46 : 50,767.62 = 21,681.78 : x
  2. Step 2: Convert to fraction form
    36,788.46/50,767.62 = 21,681.78/x
  3. Step 3: Cross multiply
    36,788.46x = 50,767.62 × 21,681.78
  4. Step 4: Simplify right side
    36,788.46x = 1,100,732,367.96
  5. Step 5: Solve for x
    x = 1,100,732,367.96/36,788.46
  6. Step 6: Final answer
    x = 29,920.59

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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.