Home / 38,487.33-57,750.13-21,609.84

Finding the Fourth Proportional to 38,487.33, 57,750.13 and 21,609.84

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Solution

The fourth proportional to 38,487.33, 57,750.13 and 21,609.84 is: 32,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487.33 : 57,750.13 = 21,609.84 : x
  2. Step 2: Convert to fraction form
    38,487.33/57,750.13 = 21,609.84/x
  3. Step 3: Cross multiply
    38,487.33x = 57,750.13 × 21,609.84
  4. Step 4: Simplify right side
    38,487.33x = 1,247,970,896.84
  5. Step 5: Solve for x
    x = 1,247,970,896.84/38,487.33
  6. Step 6: Final answer
    x = 32,425.50

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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.