Home / 36,989.36-51,045.36-20,222.36

Finding the Fourth Proportional to 36,989.36, 51,045.36 and 20,222.36

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Solution

The fourth proportional to 36,989.36, 51,045.36 and 20,222.36 is: 27,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.36 : 51,045.36 = 20,222.36 : x
  2. Step 2: Convert to fraction form
    36,989.36/51,045.36 = 20,222.36/x
  3. Step 3: Cross multiply
    36,989.36x = 51,045.36 × 20,222.36
  4. Step 4: Simplify right side
    36,989.36x = 1,032,257,646.25
  5. Step 5: Solve for x
    x = 1,032,257,646.25/36,989.36
  6. Step 6: Final answer
    x = 27,906.88

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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.