Home / 38,199.05-57,299.33-13,239.91

Finding the Fourth Proportional to 38,199.05, 57,299.33 and 13,239.91

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Solution

The fourth proportional to 38,199.05, 57,299.33 and 13,239.91 is: 19,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,199.05 : 57,299.33 = 13,239.91 : x
  2. Step 2: Convert to fraction form
    38,199.05/57,299.33 = 13,239.91/x
  3. Step 3: Cross multiply
    38,199.05x = 57,299.33 × 13,239.91
  4. Step 4: Simplify right side
    38,199.05x = 758,637,972.26
  5. Step 5: Solve for x
    x = 758,637,972.26/38,199.05
  6. Step 6: Final answer
    x = 19,860.13

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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.