Home / 34,302.71-51,424.49-13,257.51

Finding the Fourth Proportional to 34,302.71, 51,424.49 and 13,257.51

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Solution

The fourth proportional to 34,302.71, 51,424.49 and 13,257.51 is: 19,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,302.71 : 51,424.49 = 13,257.51 : x
  2. Step 2: Convert to fraction form
    34,302.71/51,424.49 = 13,257.51/x
  3. Step 3: Cross multiply
    34,302.71x = 51,424.49 × 13,257.51
  4. Step 4: Simplify right side
    34,302.71x = 681,760,785.84
  5. Step 5: Solve for x
    x = 681,760,785.84/34,302.71
  6. Step 6: Final answer
    x = 19,874.84

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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.