Home / 36,120.66-49,846.69-20,205.10

Finding the Fourth Proportional to 36,120.66, 49,846.69 and 20,205.10

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Solution

The fourth proportional to 36,120.66, 49,846.69 and 20,205.10 is: 27,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.66 : 49,846.69 = 20,205.10 : x
  2. Step 2: Convert to fraction form
    36,120.66/49,846.69 = 20,205.10/x
  3. Step 3: Cross multiply
    36,120.66x = 49,846.69 × 20,205.10
  4. Step 4: Simplify right side
    36,120.66x = 1,007,157,356.12
  5. Step 5: Solve for x
    x = 1,007,157,356.12/36,120.66
  6. Step 6: Final answer
    x = 27,883.14

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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.