Home / 34,233.20-51,391.40-21,753.20

Finding the Fourth Proportional to 34,233.20, 51,391.40 and 21,753.20

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Solution

The fourth proportional to 34,233.20, 51,391.40 and 21,753.20 is: 32,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,233.20 : 51,391.40 = 21,753.20 : x
  2. Step 2: Convert to fraction form
    34,233.20/51,391.40 = 21,753.20/x
  3. Step 3: Cross multiply
    34,233.20x = 51,391.40 × 21,753.20
  4. Step 4: Simplify right side
    34,233.20x = 1,117,927,402.48
  5. Step 5: Solve for x
    x = 1,117,927,402.48/34,233.20
  6. Step 6: Final answer
    x = 32,656.23

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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.