Home / 43,634.90-65,452.37-12,470.15

Finding the Fourth Proportional to 43,634.90, 65,452.37 and 12,470.15

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Solution

The fourth proportional to 43,634.90, 65,452.37 and 12,470.15 is: 18,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,634.90 : 65,452.37 = 12,470.15 : x
  2. Step 2: Convert to fraction form
    43,634.90/65,452.37 = 12,470.15/x
  3. Step 3: Cross multiply
    43,634.90x = 65,452.37 × 12,470.15
  4. Step 4: Simplify right side
    43,634.90x = 816,200,973.04
  5. Step 5: Solve for x
    x = 816,200,973.04/43,634.90
  6. Step 6: Final answer
    x = 18,705.23

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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.