Home / 38,622.91-57,956.28-20,853.33

Finding the Fourth Proportional to 38,622.91, 57,956.28 and 20,853.33

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Solution

The fourth proportional to 38,622.91, 57,956.28 and 20,853.33 is: 31,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.91 : 57,956.28 = 20,853.33 : x
  2. Step 2: Convert to fraction form
    38,622.91/57,956.28 = 20,853.33/x
  3. Step 3: Cross multiply
    38,622.91x = 57,956.28 × 20,853.33
  4. Step 4: Simplify right side
    38,622.91x = 1,208,581,432.41
  5. Step 5: Solve for x
    x = 1,208,581,432.41/38,622.91
  6. Step 6: Final answer
    x = 31,291.83

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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.