Home / 34,691.36-47,874.16-18,775.96

Finding the Fourth Proportional to 34,691.36, 47,874.16 and 18,775.96

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Solution

The fourth proportional to 34,691.36, 47,874.16 and 18,775.96 is: 25,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,691.36 : 47,874.16 = 18,775.96 : x
  2. Step 2: Convert to fraction form
    34,691.36/47,874.16 = 18,775.96/x
  3. Step 3: Cross multiply
    34,691.36x = 47,874.16 × 18,775.96
  4. Step 4: Simplify right side
    34,691.36x = 898,883,313.19
  5. Step 5: Solve for x
    x = 898,883,313.19/34,691.36
  6. Step 6: Final answer
    x = 25,910.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.