Home / 39,121.32-58,684.14-15,744.72

Finding the Fourth Proportional to 39,121.32, 58,684.14 and 15,744.72

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Solution

The fourth proportional to 39,121.32, 58,684.14 and 15,744.72 is: 23,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.32 : 58,684.14 = 15,744.72 : x
  2. Step 2: Convert to fraction form
    39,121.32/58,684.14 = 15,744.72/x
  3. Step 3: Cross multiply
    39,121.32x = 58,684.14 × 15,744.72
  4. Step 4: Simplify right side
    39,121.32x = 923,965,352.74
  5. Step 5: Solve for x
    x = 923,965,352.74/39,121.32
  6. Step 6: Final answer
    x = 23,617.95

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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.