Home / 36,418.92-54,628.20-20,825.52

Finding the Fourth Proportional to 36,418.92, 54,628.20 and 20,825.52

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Solution

The fourth proportional to 36,418.92, 54,628.20 and 20,825.52 is: 31,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.92 : 54,628.20 = 20,825.52 : x
  2. Step 2: Convert to fraction form
    36,418.92/54,628.20 = 20,825.52/x
  3. Step 3: Cross multiply
    36,418.92x = 54,628.20 × 20,825.52
  4. Step 4: Simplify right side
    36,418.92x = 1,137,660,671.66
  5. Step 5: Solve for x
    x = 1,137,660,671.66/36,418.92
  6. Step 6: Final answer
    x = 31,238.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.