Home / 43,422.74-65,165.21-18,480.30

Finding the Fourth Proportional to 43,422.74, 65,165.21 and 18,480.30

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Solution

The fourth proportional to 43,422.74, 65,165.21 and 18,480.30 is: 27,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,422.74 : 65,165.21 = 18,480.30 : x
  2. Step 2: Convert to fraction form
    43,422.74/65,165.21 = 18,480.30/x
  3. Step 3: Cross multiply
    43,422.74x = 65,165.21 × 18,480.30
  4. Step 4: Simplify right side
    43,422.74x = 1,204,272,537.96
  5. Step 5: Solve for x
    x = 1,204,272,537.96/43,422.74
  6. Step 6: Final answer
    x = 27,733.69

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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.