Home / 38,356.70-57,497.85-19,645.56

Finding the Fourth Proportional to 38,356.70, 57,497.85 and 19,645.56

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Solution

The fourth proportional to 38,356.70, 57,497.85 and 19,645.56 is: 29,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,356.70 : 57,497.85 = 19,645.56 : x
  2. Step 2: Convert to fraction form
    38,356.70/57,497.85 = 19,645.56/x
  3. Step 3: Cross multiply
    38,356.70x = 57,497.85 × 19,645.56
  4. Step 4: Simplify right side
    38,356.70x = 1,129,577,462.05
  5. Step 5: Solve for x
    x = 1,129,577,462.05/38,356.70
  6. Step 6: Final answer
    x = 29,449.29

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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.