Home / 39,857.60-55,001.38-22,860.97

Finding the Fourth Proportional to 39,857.60, 55,001.38 and 22,860.97

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Solution

The fourth proportional to 39,857.60, 55,001.38 and 22,860.97 is: 31,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,857.60 : 55,001.38 = 22,860.97 : x
  2. Step 2: Convert to fraction form
    39,857.60/55,001.38 = 22,860.97/x
  3. Step 3: Cross multiply
    39,857.60x = 55,001.38 × 22,860.97
  4. Step 4: Simplify right side
    39,857.60x = 1,257,384,898.14
  5. Step 5: Solve for x
    x = 1,257,384,898.14/39,857.60
  6. Step 6: Final answer
    x = 31,546.93

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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.