Home / 43,630.48-65,436-20,244.16

Finding the Fourth Proportional to 43,630.48, 65,436 and 20,244.16

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Solution

The fourth proportional to 43,630.48, 65,436 and 20,244.16 is: 30,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,630.48 : 65,436 = 20,244.16 : x
  2. Step 2: Convert to fraction form
    43,630.48/65,436 = 20,244.16/x
  3. Step 3: Cross multiply
    43,630.48x = 65,436 × 20,244.16
  4. Step 4: Simplify right side
    43,630.48x = 1,324,696,853.76
  5. Step 5: Solve for x
    x = 1,324,696,853.76/43,630.48
  6. Step 6: Final answer
    x = 30,361.73

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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.