Home / 38,200.72-57,301.00-21,553.19

Finding the Fourth Proportional to 38,200.72, 57,301.00 and 21,553.19

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Solution

The fourth proportional to 38,200.72, 57,301.00 and 21,553.19 is: 32,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.72 : 57,301.00 = 21,553.19 : x
  2. Step 2: Convert to fraction form
    38,200.72/57,301.00 = 21,553.19/x
  3. Step 3: Cross multiply
    38,200.72x = 57,301.00 × 21,553.19
  4. Step 4: Simplify right side
    38,200.72x = 1,235,019,429.56
  5. Step 5: Solve for x
    x = 1,235,019,429.56/38,200.72
  6. Step 6: Final answer
    x = 32,329.74

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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.