Home / 39,851.64-54,995.26-21,946.49

Finding the Fourth Proportional to 39,851.64, 54,995.26 and 21,946.49

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Solution

The fourth proportional to 39,851.64, 54,995.26 and 21,946.49 is: 30,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.64 : 54,995.26 = 21,946.49 : x
  2. Step 2: Convert to fraction form
    39,851.64/54,995.26 = 21,946.49/x
  3. Step 3: Cross multiply
    39,851.64x = 54,995.26 × 21,946.49
  4. Step 4: Simplify right side
    39,851.64x = 1,206,952,593.79
  5. Step 5: Solve for x
    x = 1,206,952,593.79/39,851.64
  6. Step 6: Final answer
    x = 30,286.15

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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.