Home / 38,560.32-57,814.92-21,928.20

Finding the Fourth Proportional to 38,560.32, 57,814.92 and 21,928.20

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Solution

The fourth proportional to 38,560.32, 57,814.92 and 21,928.20 is: 32,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.32 : 57,814.92 = 21,928.20 : x
  2. Step 2: Convert to fraction form
    38,560.32/57,814.92 = 21,928.20/x
  3. Step 3: Cross multiply
    38,560.32x = 57,814.92 × 21,928.20
  4. Step 4: Simplify right side
    38,560.32x = 1,267,777,128.74
  5. Step 5: Solve for x
    x = 1,267,777,128.74/38,560.32
  6. Step 6: Final answer
    x = 32,877.76

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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.