Home / 39,279.87-58,919.81-32,339.79

Finding the Fourth Proportional to 39,279.87, 58,919.81 and 32,339.79

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Solution

The fourth proportional to 39,279.87, 58,919.81 and 32,339.79 is: 48,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.87 : 58,919.81 = 32,339.79 : x
  2. Step 2: Convert to fraction form
    39,279.87/58,919.81 = 32,339.79/x
  3. Step 3: Cross multiply
    39,279.87x = 58,919.81 × 32,339.79
  4. Step 4: Simplify right side
    39,279.87x = 1,905,454,120.54
  5. Step 5: Solve for x
    x = 1,905,454,120.54/39,279.87
  6. Step 6: Final answer
    x = 48,509.69

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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.