Home / 36,072.36-49,778.01-20,153.70

Finding the Fourth Proportional to 36,072.36, 49,778.01 and 20,153.70

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Solution

The fourth proportional to 36,072.36, 49,778.01 and 20,153.70 is: 27,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.36 : 49,778.01 = 20,153.70 : x
  2. Step 2: Convert to fraction form
    36,072.36/49,778.01 = 20,153.70/x
  3. Step 3: Cross multiply
    36,072.36x = 49,778.01 × 20,153.70
  4. Step 4: Simplify right side
    36,072.36x = 1,003,211,080.14
  5. Step 5: Solve for x
    x = 1,003,211,080.14/36,072.36
  6. Step 6: Final answer
    x = 27,811.07

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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.