Home / 36,218.88-54,315.36-19,591.20

Finding the Fourth Proportional to 36,218.88, 54,315.36 and 19,591.20

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Solution

The fourth proportional to 36,218.88, 54,315.36 and 19,591.20 is: 29,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.88 : 54,315.36 = 19,591.20 : x
  2. Step 2: Convert to fraction form
    36,218.88/54,315.36 = 19,591.20/x
  3. Step 3: Cross multiply
    36,218.88x = 54,315.36 × 19,591.20
  4. Step 4: Simplify right side
    36,218.88x = 1,064,103,080.83
  5. Step 5: Solve for x
    x = 1,064,103,080.83/36,218.88
  6. Step 6: Final answer
    x = 29,379.79

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1.5x scale

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.