Home / 39,650.50-54,718.46-21,744.46

Finding the Fourth Proportional to 39,650.50, 54,718.46 and 21,744.46

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Solution

The fourth proportional to 39,650.50, 54,718.46 and 21,744.46 is: 30,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,650.50 : 54,718.46 = 21,744.46 : x
  2. Step 2: Convert to fraction form
    39,650.50/54,718.46 = 21,744.46/x
  3. Step 3: Cross multiply
    39,650.50x = 54,718.46 × 21,744.46
  4. Step 4: Simplify right side
    39,650.50x = 1,189,823,364.73
  5. Step 5: Solve for x
    x = 1,189,823,364.73/39,650.50
  6. Step 6: Final answer
    x = 30,007.78

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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.