Home / 43,876.29-65,821.32-18,923.43

Finding the Fourth Proportional to 43,876.29, 65,821.32 and 18,923.43

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Solution

The fourth proportional to 43,876.29, 65,821.32 and 18,923.43 is: 28,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,876.29 : 65,821.32 = 18,923.43 : x
  2. Step 2: Convert to fraction form
    43,876.29/65,821.32 = 18,923.43/x
  3. Step 3: Cross multiply
    43,876.29x = 65,821.32 × 18,923.43
  4. Step 4: Simplify right side
    43,876.29x = 1,245,565,141.53
  5. Step 5: Solve for x
    x = 1,245,565,141.53/43,876.29
  6. Step 6: Final answer
    x = 28,388.11

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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.