Home / 38,213.91-57,319.33-19,493.54

Finding the Fourth Proportional to 38,213.91, 57,319.33 and 19,493.54

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Solution

The fourth proportional to 38,213.91, 57,319.33 and 19,493.54 is: 29,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,213.91 : 57,319.33 = 19,493.54 : x
  2. Step 2: Convert to fraction form
    38,213.91/57,319.33 = 19,493.54/x
  3. Step 3: Cross multiply
    38,213.91x = 57,319.33 × 19,493.54
  4. Step 4: Simplify right side
    38,213.91x = 1,117,356,652.13
  5. Step 5: Solve for x
    x = 1,117,356,652.13/38,213.91
  6. Step 6: Final answer
    x = 29,239.53

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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.