Home / 43,823.72-65,683.67-20,111.29

Finding the Fourth Proportional to 43,823.72, 65,683.67 and 20,111.29

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Solution

The fourth proportional to 43,823.72, 65,683.67 and 20,111.29 is: 30,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,823.72 : 65,683.67 = 20,111.29 : x
  2. Step 2: Convert to fraction form
    43,823.72/65,683.67 = 20,111.29/x
  3. Step 3: Cross multiply
    43,823.72x = 65,683.67 × 20,111.29
  4. Step 4: Simplify right side
    43,823.72x = 1,320,983,221.70
  5. Step 5: Solve for x
    x = 1,320,983,221.70/43,823.72
  6. Step 6: Final answer
    x = 30,143.11

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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.