Home / 39,811.84-54,952.64-25,664.64

Finding the Fourth Proportional to 39,811.84, 54,952.64 and 25,664.64

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Solution

The fourth proportional to 39,811.84, 54,952.64 and 25,664.64 is: 35,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.84 : 54,952.64 = 25,664.64 : x
  2. Step 2: Convert to fraction form
    39,811.84/54,952.64 = 25,664.64/x
  3. Step 3: Cross multiply
    39,811.84x = 54,952.64 × 25,664.64
  4. Step 4: Simplify right side
    39,811.84x = 1,410,339,722.65
  5. Step 5: Solve for x
    x = 1,410,339,722.65/39,811.84
  6. Step 6: Final answer
    x = 35,425.13

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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.