Home / 34,822.20-52,211.70-20,023.80

Finding the Fourth Proportional to 34,822.20, 52,211.70 and 20,023.80

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Solution

The fourth proportional to 34,822.20, 52,211.70 and 20,023.80 is: 30,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,822.20 : 52,211.70 = 20,023.80 : x
  2. Step 2: Convert to fraction form
    34,822.20/52,211.70 = 20,023.80/x
  3. Step 3: Cross multiply
    34,822.20x = 52,211.70 × 20,023.80
  4. Step 4: Simplify right side
    34,822.20x = 1,045,476,638.46
  5. Step 5: Solve for x
    x = 1,045,476,638.46/34,822.20
  6. Step 6: Final answer
    x = 30,023.28

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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.