Home / 34,013.55-51,023.69-10,640.43

Finding the Fourth Proportional to 34,013.55, 51,023.69 and 10,640.43

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Solution

The fourth proportional to 34,013.55, 51,023.69 and 10,640.43 is: 15,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,013.55 : 51,023.69 = 10,640.43 : x
  2. Step 2: Convert to fraction form
    34,013.55/51,023.69 = 10,640.43/x
  3. Step 3: Cross multiply
    34,013.55x = 51,023.69 × 10,640.43
  4. Step 4: Simplify right side
    34,013.55x = 542,913,948.58
  5. Step 5: Solve for x
    x = 542,913,948.58/34,013.55
  6. Step 6: Final answer
    x = 15,961.70

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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.