Home / 39,849.78-54,991.62-22,856.88

Finding the Fourth Proportional to 39,849.78, 54,991.62 and 22,856.88

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Solution

The fourth proportional to 39,849.78, 54,991.62 and 22,856.88 is: 31,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.78 : 54,991.62 = 22,856.88 : x
  2. Step 2: Convert to fraction form
    39,849.78/54,991.62 = 22,856.88/x
  3. Step 3: Cross multiply
    39,849.78x = 54,991.62 × 22,856.88
  4. Step 4: Simplify right side
    39,849.78x = 1,256,936,859.35
  5. Step 5: Solve for x
    x = 1,256,936,859.35/39,849.78
  6. Step 6: Final answer
    x = 31,541.88

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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.