Home / 69,964.38-104,915.67-20,033.13

Finding the Fourth Proportional to 69,964.38, 104,915.67 and 20,033.13

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Solution

The fourth proportional to 69,964.38, 104,915.67 and 20,033.13 is: 30,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964.38 : 104,915.67 = 20,033.13 : x
  2. Step 2: Convert to fraction form
    69,964.38/104,915.67 = 20,033.13/x
  3. Step 3: Cross multiply
    69,964.38x = 104,915.67 × 20,033.13
  4. Step 4: Simplify right side
    69,964.38x = 2,101,789,256.15
  5. Step 5: Solve for x
    x = 2,101,789,256.15/69,964.38
  6. Step 6: Final answer
    x = 30,040.85

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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.