Home / 38,535.72-57,803.30-19,820.97

Finding the Fourth Proportional to 38,535.72, 57,803.30 and 19,820.97

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Solution

The fourth proportional to 38,535.72, 57,803.30 and 19,820.97 is: 29,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.72 : 57,803.30 = 19,820.97 : x
  2. Step 2: Convert to fraction form
    38,535.72/57,803.30 = 19,820.97/x
  3. Step 3: Cross multiply
    38,535.72x = 57,803.30 × 19,820.97
  4. Step 4: Simplify right side
    38,535.72x = 1,145,717,475.20
  5. Step 5: Solve for x
    x = 1,145,717,475.20/38,535.72
  6. Step 6: Final answer
    x = 29,731.31

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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.