Home / 43,422.29-65,133.42-12,257.54

Finding the Fourth Proportional to 43,422.29, 65,133.42 and 12,257.54

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Solution

The fourth proportional to 43,422.29, 65,133.42 and 12,257.54 is: 18,386.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,422.29 : 65,133.42 = 12,257.54 : x
  2. Step 2: Convert to fraction form
    43,422.29/65,133.42 = 12,257.54/x
  3. Step 3: Cross multiply
    43,422.29x = 65,133.42 × 12,257.54
  4. Step 4: Simplify right side
    43,422.29x = 798,375,500.99
  5. Step 5: Solve for x
    x = 798,375,500.99/43,422.29
  6. Step 6: Final answer
    x = 18,386.31

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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.