Home / 36,781.31-50,763.38-21,472.88

Finding the Fourth Proportional to 36,781.31, 50,763.38 and 21,472.88

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Solution

The fourth proportional to 36,781.31, 50,763.38 and 21,472.88 is: 29,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.31 : 50,763.38 = 21,472.88 : x
  2. Step 2: Convert to fraction form
    36,781.31/50,763.38 = 21,472.88/x
  3. Step 3: Cross multiply
    36,781.31x = 50,763.38 × 21,472.88
  4. Step 4: Simplify right side
    36,781.31x = 1,090,035,967.13
  5. Step 5: Solve for x
    x = 1,090,035,967.13/36,781.31
  6. Step 6: Final answer
    x = 29,635.59

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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.