Home / 36,120.45-49,846.38-20,205.18

Finding the Fourth Proportional to 36,120.45, 49,846.38 and 20,205.18

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Solution

The fourth proportional to 36,120.45, 49,846.38 and 20,205.18 is: 27,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.45 : 49,846.38 = 20,205.18 : x
  2. Step 2: Convert to fraction form
    36,120.45/49,846.38 = 20,205.18/x
  3. Step 3: Cross multiply
    36,120.45x = 49,846.38 × 20,205.18
  4. Step 4: Simplify right side
    36,120.45x = 1,007,155,080.25
  5. Step 5: Solve for x
    x = 1,007,155,080.25/36,120.45
  6. Step 6: Final answer
    x = 27,883.24

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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.