Home / 34,287.72-51,389.19-20,233.50

Finding the Fourth Proportional to 34,287.72, 51,389.19 and 20,233.50

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Solution

The fourth proportional to 34,287.72, 51,389.19 and 20,233.50 is: 30,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,287.72 : 51,389.19 = 20,233.50 : x
  2. Step 2: Convert to fraction form
    34,287.72/51,389.19 = 20,233.50/x
  3. Step 3: Cross multiply
    34,287.72x = 51,389.19 × 20,233.50
  4. Step 4: Simplify right side
    34,287.72x = 1,039,783,175.87
  5. Step 5: Solve for x
    x = 1,039,783,175.87/34,287.72
  6. Step 6: Final answer
    x = 30,325.24

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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.