Home / 36,883.38-50,905.70-21,775.16

Finding the Fourth Proportional to 36,883.38, 50,905.70 and 21,775.16

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Solution

The fourth proportional to 36,883.38, 50,905.70 and 21,775.16 is: 30,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,883.38 : 50,905.70 = 21,775.16 : x
  2. Step 2: Convert to fraction form
    36,883.38/50,905.70 = 21,775.16/x
  3. Step 3: Cross multiply
    36,883.38x = 50,905.70 × 21,775.16
  4. Step 4: Simplify right side
    36,883.38x = 1,108,479,399.01
  5. Step 5: Solve for x
    x = 1,108,479,399.01/36,883.38
  6. Step 6: Final answer
    x = 30,053.63

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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.