Home / 34,131.15-51,172.45-13,053.43

Finding the Fourth Proportional to 34,131.15, 51,172.45 and 13,053.43

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Solution

The fourth proportional to 34,131.15, 51,172.45 and 13,053.43 is: 19,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,131.15 : 51,172.45 = 13,053.43 : x
  2. Step 2: Convert to fraction form
    34,131.15/51,172.45 = 13,053.43/x
  3. Step 3: Cross multiply
    34,131.15x = 51,172.45 × 13,053.43
  4. Step 4: Simplify right side
    34,131.15x = 667,975,994.00
  5. Step 5: Solve for x
    x = 667,975,994.00/34,131.15
  6. Step 6: Final answer
    x = 19,570.86

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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.