Home / 20,335.20-30,497.82-5,544.18

Finding the Fourth Proportional to 20,335.20, 30,497.82 and 5,544.18

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Solution

The fourth proportional to 20,335.20, 30,497.82 and 5,544.18 is: 8,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335.20 : 30,497.82 = 5,544.18 : x
  2. Step 2: Convert to fraction form
    20,335.20/30,497.82 = 5,544.18/x
  3. Step 3: Cross multiply
    20,335.20x = 30,497.82 × 5,544.18
  4. Step 4: Simplify right side
    20,335.20x = 169,085,403.69
  5. Step 5: Solve for x
    x = 169,085,403.69/20,335.20
  6. Step 6: Final answer
    x = 8,314.91

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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.