Home / 38,020.68-57,016.50-15,217.56

Finding the Fourth Proportional to 38,020.68, 57,016.50 and 15,217.56

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Solution

The fourth proportional to 38,020.68, 57,016.50 and 15,217.56 is: 22,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.68 : 57,016.50 = 15,217.56 : x
  2. Step 2: Convert to fraction form
    38,020.68/57,016.50 = 15,217.56/x
  3. Step 3: Cross multiply
    38,020.68x = 57,016.50 × 15,217.56
  4. Step 4: Simplify right side
    38,020.68x = 867,652,009.74
  5. Step 5: Solve for x
    x = 867,652,009.74/38,020.68
  6. Step 6: Final answer
    x = 22,820.53

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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.