Home / 34,129.65-51,170.20-13,051.93

Finding the Fourth Proportional to 34,129.65, 51,170.20 and 13,051.93

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Solution

The fourth proportional to 34,129.65, 51,170.20 and 13,051.93 is: 19,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.65 : 51,170.20 = 13,051.93 : x
  2. Step 2: Convert to fraction form
    34,129.65/51,170.20 = 13,051.93/x
  3. Step 3: Cross multiply
    34,129.65x = 51,170.20 × 13,051.93
  4. Step 4: Simplify right side
    34,129.65x = 667,869,868.49
  5. Step 5: Solve for x
    x = 667,869,868.49/34,129.65
  6. Step 6: Final answer
    x = 19,568.61

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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.