Home / 38,856.38-53,624.92-21,859.62

Finding the Fourth Proportional to 38,856.38, 53,624.92 and 21,859.62

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Solution

The fourth proportional to 38,856.38, 53,624.92 and 21,859.62 is: 30,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856.38 : 53,624.92 = 21,859.62 : x
  2. Step 2: Convert to fraction form
    38,856.38/53,624.92 = 21,859.62/x
  3. Step 3: Cross multiply
    38,856.38x = 53,624.92 × 21,859.62
  4. Step 4: Simplify right side
    38,856.38x = 1,172,220,373.73
  5. Step 5: Solve for x
    x = 1,172,220,373.73/38,856.38
  6. Step 6: Final answer
    x = 30,168.03

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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.