Home / 38,359.70-57,502.35-19,648.56

Finding the Fourth Proportional to 38,359.70, 57,502.35 and 19,648.56

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Solution

The fourth proportional to 38,359.70, 57,502.35 and 19,648.56 is: 29,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,359.70 : 57,502.35 = 19,648.56 : x
  2. Step 2: Convert to fraction form
    38,359.70/57,502.35 = 19,648.56/x
  3. Step 3: Cross multiply
    38,359.70x = 57,502.35 × 19,648.56
  4. Step 4: Simplify right side
    38,359.70x = 1,129,838,374.12
  5. Step 5: Solve for x
    x = 1,129,838,374.12/38,359.70
  6. Step 6: Final answer
    x = 29,453.79

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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.