Home / 36,120.77-49,846.28-20,205.35

Finding the Fourth Proportional to 36,120.77, 49,846.28 and 20,205.35

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Solution

The fourth proportional to 36,120.77, 49,846.28 and 20,205.35 is: 27,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.77 : 49,846.28 = 20,205.35 : x
  2. Step 2: Convert to fraction form
    36,120.77/49,846.28 = 20,205.35/x
  3. Step 3: Cross multiply
    36,120.77x = 49,846.28 × 20,205.35
  4. Step 4: Simplify right side
    36,120.77x = 1,007,161,183.34
  5. Step 5: Solve for x
    x = 1,007,161,183.34/36,120.77
  6. Step 6: Final answer
    x = 27,883.16

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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.