Home / 39,171.74-58,717.38-15,469.67

Finding the Fourth Proportional to 39,171.74, 58,717.38 and 15,469.67

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Solution

The fourth proportional to 39,171.74, 58,717.38 and 15,469.67 is: 23,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.74 : 58,717.38 = 15,469.67 : x
  2. Step 2: Convert to fraction form
    39,171.74/58,717.38 = 15,469.67/x
  3. Step 3: Cross multiply
    39,171.74x = 58,717.38 × 15,469.67
  4. Step 4: Simplify right side
    39,171.74x = 908,338,638.66
  5. Step 5: Solve for x
    x = 908,338,638.66/39,171.74
  6. Step 6: Final answer
    x = 23,188.62

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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.