Home / 39,395.58-54,425.18-25,815.89

Finding the Fourth Proportional to 39,395.58, 54,425.18 and 25,815.89

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Solution

The fourth proportional to 39,395.58, 54,425.18 and 25,815.89 is: 35,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395.58 : 54,425.18 = 25,815.89 : x
  2. Step 2: Convert to fraction form
    39,395.58/54,425.18 = 25,815.89/x
  3. Step 3: Cross multiply
    39,395.58x = 54,425.18 × 25,815.89
  4. Step 4: Simplify right side
    39,395.58x = 1,405,034,660.71
  5. Step 5: Solve for x
    x = 1,405,034,660.71/39,395.58
  6. Step 6: Final answer
    x = 35,664.78

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1.5x scale

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.