Home / 36,331.36-50,132.79-21,020.54

Finding the Fourth Proportional to 36,331.36, 50,132.79 and 21,020.54

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Solution

The fourth proportional to 36,331.36, 50,132.79 and 21,020.54 is: 29,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.36 : 50,132.79 = 21,020.54 : x
  2. Step 2: Convert to fraction form
    36,331.36/50,132.79 = 21,020.54/x
  3. Step 3: Cross multiply
    36,331.36x = 50,132.79 × 21,020.54
  4. Step 4: Simplify right side
    36,331.36x = 1,053,818,066.84
  5. Step 5: Solve for x
    x = 1,053,818,066.84/36,331.36
  6. Step 6: Final answer
    x = 29,005.74

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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.