Home / 36,422.22-54,642.72-19,777.98

Finding the Fourth Proportional to 36,422.22, 54,642.72 and 19,777.98

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Solution

The fourth proportional to 36,422.22, 54,642.72 and 19,777.98 is: 29,672.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,422.22 : 54,642.72 = 19,777.98 : x
  2. Step 2: Convert to fraction form
    36,422.22/54,642.72 = 19,777.98/x
  3. Step 3: Cross multiply
    36,422.22x = 54,642.72 × 19,777.98
  4. Step 4: Simplify right side
    36,422.22x = 1,080,722,623.31
  5. Step 5: Solve for x
    x = 1,080,722,623.31/36,422.22
  6. Step 6: Final answer
    x = 29,672.07

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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.