Home / 39,196.75-54,091.52-21,532.75

Finding the Fourth Proportional to 39,196.75, 54,091.52 and 21,532.75

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Solution

The fourth proportional to 39,196.75, 54,091.52 and 21,532.75 is: 29,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,196.75 : 54,091.52 = 21,532.75 : x
  2. Step 2: Convert to fraction form
    39,196.75/54,091.52 = 21,532.75/x
  3. Step 3: Cross multiply
    39,196.75x = 54,091.52 × 21,532.75
  4. Step 4: Simplify right side
    39,196.75x = 1,164,739,177.28
  5. Step 5: Solve for x
    x = 1,164,739,177.28/39,196.75
  6. Step 6: Final answer
    x = 29,715.20

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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.