Home / 39,757.96-54,863.22-21,852.52

Finding the Fourth Proportional to 39,757.96, 54,863.22 and 21,852.52

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Solution

The fourth proportional to 39,757.96, 54,863.22 and 21,852.52 is: 30,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.96 : 54,863.22 = 21,852.52 : x
  2. Step 2: Convert to fraction form
    39,757.96/54,863.22 = 21,852.52/x
  3. Step 3: Cross multiply
    39,757.96x = 54,863.22 × 21,852.52
  4. Step 4: Simplify right side
    39,757.96x = 1,198,899,612.31
  5. Step 5: Solve for x
    x = 1,198,899,612.31/39,757.96
  6. Step 6: Final answer
    x = 30,154.96

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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.