Home / 43,229.19-59,667.57-28,163.19

Finding the Fourth Proportional to 43,229.19, 59,667.57 and 28,163.19

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Solution

The fourth proportional to 43,229.19, 59,667.57 and 28,163.19 is: 38,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,229.19 : 59,667.57 = 28,163.19 : x
  2. Step 2: Convert to fraction form
    43,229.19/59,667.57 = 28,163.19/x
  3. Step 3: Cross multiply
    43,229.19x = 59,667.57 × 28,163.19
  4. Step 4: Simplify right side
    43,229.19x = 1,680,429,110.75
  5. Step 5: Solve for x
    x = 1,680,429,110.75/43,229.19
  6. Step 6: Final answer
    x = 38,872.56

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Half scale
Find fourth proportional to 86,458.38, 119,335.14 and 56,326.38
Double scale
Find fourth proportional to 43,230.19, 59,668.95 and 28,164.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.