Home / 39,422.22-59,120.58-13,119.90

Finding the Fourth Proportional to 39,422.22, 59,120.58 and 13,119.90

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Solution

The fourth proportional to 39,422.22, 59,120.58 and 13,119.90 is: 19,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,422.22 : 59,120.58 = 13,119.90 : x
  2. Step 2: Convert to fraction form
    39,422.22/59,120.58 = 13,119.90/x
  3. Step 3: Cross multiply
    39,422.22x = 59,120.58 × 13,119.90
  4. Step 4: Simplify right side
    39,422.22x = 775,656,097.54
  5. Step 5: Solve for x
    x = 775,656,097.54/39,422.22
  6. Step 6: Final answer
    x = 19,675.61

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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.