Home / 38,409.33-57,572.35-19,663.65

Finding the Fourth Proportional to 38,409.33, 57,572.35 and 19,663.65

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Solution

The fourth proportional to 38,409.33, 57,572.35 and 19,663.65 is: 29,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,409.33 : 57,572.35 = 19,663.65 : x
  2. Step 2: Convert to fraction form
    38,409.33/57,572.35 = 19,663.65/x
  3. Step 3: Cross multiply
    38,409.33x = 57,572.35 × 19,663.65
  4. Step 4: Simplify right side
    38,409.33x = 1,132,082,540.08
  5. Step 5: Solve for x
    x = 1,132,082,540.08/38,409.33
  6. Step 6: Final answer
    x = 29,474.15

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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.