Home / 38,521.92-57,754.96-19,774.48

Finding the Fourth Proportional to 38,521.92, 57,754.96 and 19,774.48

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Solution

The fourth proportional to 38,521.92, 57,754.96 and 19,774.48 is: 29,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.92 : 57,754.96 = 19,774.48 : x
  2. Step 2: Convert to fraction form
    38,521.92/57,754.96 = 19,774.48/x
  3. Step 3: Cross multiply
    38,521.92x = 57,754.96 × 19,774.48
  4. Step 4: Simplify right side
    38,521.92x = 1,142,074,301.42
  5. Step 5: Solve for x
    x = 1,142,074,301.42/38,521.92
  6. Step 6: Final answer
    x = 29,647.39

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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.