Home / 39,912.37-55,079.45-22,008.03

Finding the Fourth Proportional to 39,912.37, 55,079.45 and 22,008.03

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Solution

The fourth proportional to 39,912.37, 55,079.45 and 22,008.03 is: 30,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.37 : 55,079.45 = 22,008.03 : x
  2. Step 2: Convert to fraction form
    39,912.37/55,079.45 = 22,008.03/x
  3. Step 3: Cross multiply
    39,912.37x = 55,079.45 × 22,008.03
  4. Step 4: Simplify right side
    39,912.37x = 1,212,190,187.98
  5. Step 5: Solve for x
    x = 1,212,190,187.98/39,912.37
  6. Step 6: Final answer
    x = 30,371.29

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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.