Home / 43,537.42-65,306.07-11,947.82

Finding the Fourth Proportional to 43,537.42, 65,306.07 and 11,947.82

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Solution

The fourth proportional to 43,537.42, 65,306.07 and 11,947.82 is: 17,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,537.42 : 65,306.07 = 11,947.82 : x
  2. Step 2: Convert to fraction form
    43,537.42/65,306.07 = 11,947.82/x
  3. Step 3: Cross multiply
    43,537.42x = 65,306.07 × 11,947.82
  4. Step 4: Simplify right side
    43,537.42x = 780,265,169.27
  5. Step 5: Solve for x
    x = 780,265,169.27/43,537.42
  6. Step 6: Final answer
    x = 17,921.72

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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.