Home / 34,131.65-51,173.21-13,053.93

Finding the Fourth Proportional to 34,131.65, 51,173.21 and 13,053.93

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Solution

The fourth proportional to 34,131.65, 51,173.21 and 13,053.93 is: 19,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,131.65 : 51,173.21 = 13,053.93 : x
  2. Step 2: Convert to fraction form
    34,131.65/51,173.21 = 13,053.93/x
  3. Step 3: Cross multiply
    34,131.65x = 51,173.21 × 13,053.93
  4. Step 4: Simplify right side
    34,131.65x = 668,011,435.95
  5. Step 5: Solve for x
    x = 668,011,435.95/34,131.65
  6. Step 6: Final answer
    x = 19,571.62

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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.