Home / 36,244.40-54,299.40-20,615.60

Finding the Fourth Proportional to 36,244.40, 54,299.40 and 20,615.60

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Solution

The fourth proportional to 36,244.40, 54,299.40 and 20,615.60 is: 30,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,244.40 : 54,299.40 = 20,615.60 : x
  2. Step 2: Convert to fraction form
    36,244.40/54,299.40 = 20,615.60/x
  3. Step 3: Cross multiply
    36,244.40x = 54,299.40 × 20,615.60
  4. Step 4: Simplify right side
    36,244.40x = 1,119,414,710.64
  5. Step 5: Solve for x
    x = 1,119,414,710.64/36,244.40
  6. Step 6: Final answer
    x = 30,885.18

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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.