Home / 38,339.70-57,474.13-20,582.86

Finding the Fourth Proportional to 38,339.70, 57,474.13 and 20,582.86

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Solution

The fourth proportional to 38,339.70, 57,474.13 and 20,582.86 is: 30,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.70 : 57,474.13 = 20,582.86 : x
  2. Step 2: Convert to fraction form
    38,339.70/57,474.13 = 20,582.86/x
  3. Step 3: Cross multiply
    38,339.70x = 57,474.13 × 20,582.86
  4. Step 4: Simplify right side
    38,339.70x = 1,182,981,980.52
  5. Step 5: Solve for x
    x = 1,182,981,980.52/38,339.70
  6. Step 6: Final answer
    x = 30,855.27

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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.