Home / 34,161.78-51,248.83-15,450.66

Finding the Fourth Proportional to 34,161.78, 51,248.83 and 15,450.66

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Solution

The fourth proportional to 34,161.78, 51,248.83 and 15,450.66 is: 23,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,161.78 : 51,248.83 = 15,450.66 : x
  2. Step 2: Convert to fraction form
    34,161.78/51,248.83 = 15,450.66/x
  3. Step 3: Cross multiply
    34,161.78x = 51,248.83 × 15,450.66
  4. Step 4: Simplify right side
    34,161.78x = 791,828,247.73
  5. Step 5: Solve for x
    x = 791,828,247.73/34,161.78
  6. Step 6: Final answer
    x = 23,178.78

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1.5x scale

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.