Home / 34,396.40-51,585.94-13,329.22

Finding the Fourth Proportional to 34,396.40, 51,585.94 and 13,329.22

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Solution

The fourth proportional to 34,396.40, 51,585.94 and 13,329.22 is: 19,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.40 : 51,585.94 = 13,329.22 : x
  2. Step 2: Convert to fraction form
    34,396.40/51,585.94 = 13,329.22/x
  3. Step 3: Cross multiply
    34,396.40x = 51,585.94 × 13,329.22
  4. Step 4: Simplify right side
    34,396.40x = 687,600,343.17
  5. Step 5: Solve for x
    x = 687,600,343.17/34,396.40
  6. Step 6: Final answer
    x = 19,990.47

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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.