Home / 38,836.72-58,243.81-15,138.99

Finding the Fourth Proportional to 38,836.72, 58,243.81 and 15,138.99

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Solution

The fourth proportional to 38,836.72, 58,243.81 and 15,138.99 is: 22,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836.72 : 58,243.81 = 15,138.99 : x
  2. Step 2: Convert to fraction form
    38,836.72/58,243.81 = 15,138.99/x
  3. Step 3: Cross multiply
    38,836.72x = 58,243.81 × 15,138.99
  4. Step 4: Simplify right side
    38,836.72x = 881,752,457.15
  5. Step 5: Solve for x
    x = 881,752,457.15/38,836.72
  6. Step 6: Final answer
    x = 22,704.09

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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.