Home / 43,537.91-65,306.82-11,948.32

Finding the Fourth Proportional to 43,537.91, 65,306.82 and 11,948.32

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Solution

The fourth proportional to 43,537.91, 65,306.82 and 11,948.32 is: 17,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,537.91 : 65,306.82 = 11,948.32 : x
  2. Step 2: Convert to fraction form
    43,537.91/65,306.82 = 11,948.32/x
  3. Step 3: Cross multiply
    43,537.91x = 65,306.82 × 11,948.32
  4. Step 4: Simplify right side
    43,537.91x = 780,306,783.54
  5. Step 5: Solve for x
    x = 780,306,783.54/43,537.91
  6. Step 6: Final answer
    x = 17,922.47

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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.