Home / 43,351.40-65,033.94-18,391.52

Finding the Fourth Proportional to 43,351.40, 65,033.94 and 18,391.52

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Solution

The fourth proportional to 43,351.40, 65,033.94 and 18,391.52 is: 27,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.40 : 65,033.94 = 18,391.52 : x
  2. Step 2: Convert to fraction form
    43,351.40/65,033.94 = 18,391.52/x
  3. Step 3: Cross multiply
    43,351.40x = 65,033.94 × 18,391.52
  4. Step 4: Simplify right side
    43,351.40x = 1,196,073,008.19
  5. Step 5: Solve for x
    x = 1,196,073,008.19/43,351.40
  6. Step 6: Final answer
    x = 27,590.18

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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.