Home / 43,763.76-65,600.28-20,370.96

Finding the Fourth Proportional to 43,763.76, 65,600.28 and 20,370.96

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Solution

The fourth proportional to 43,763.76, 65,600.28 and 20,370.96 is: 30,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,763.76 : 65,600.28 = 20,370.96 : x
  2. Step 2: Convert to fraction form
    43,763.76/65,600.28 = 20,370.96/x
  3. Step 3: Cross multiply
    43,763.76x = 65,600.28 × 20,370.96
  4. Step 4: Simplify right side
    43,763.76x = 1,336,340,679.87
  5. Step 5: Solve for x
    x = 1,336,340,679.87/43,763.76
  6. Step 6: Final answer
    x = 30,535.33

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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.