Home / 39,544.86-54,571.90-21,639.87

Finding the Fourth Proportional to 39,544.86, 54,571.90 and 21,639.87

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Solution

The fourth proportional to 39,544.86, 54,571.90 and 21,639.87 is: 29,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,544.86 : 54,571.90 = 21,639.87 : x
  2. Step 2: Convert to fraction form
    39,544.86/54,571.90 = 21,639.87/x
  3. Step 3: Cross multiply
    39,544.86x = 54,571.90 × 21,639.87
  4. Step 4: Simplify right side
    39,544.86x = 1,180,928,821.65
  5. Step 5: Solve for x
    x = 1,180,928,821.65/39,544.86
  6. Step 6: Final answer
    x = 29,863.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.