Home / 39,843.78-54,983.34-22,850.88

Finding the Fourth Proportional to 39,843.78, 54,983.34 and 22,850.88

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Solution

The fourth proportional to 39,843.78, 54,983.34 and 22,850.88 is: 31,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,843.78 : 54,983.34 = 22,850.88 : x
  2. Step 2: Convert to fraction form
    39,843.78/54,983.34 = 22,850.88/x
  3. Step 3: Cross multiply
    39,843.78x = 54,983.34 × 22,850.88
  4. Step 4: Simplify right side
    39,843.78x = 1,256,417,704.34
  5. Step 5: Solve for x
    x = 1,256,417,704.34/39,843.78
  6. Step 6: Final answer
    x = 31,533.60

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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.