Home / 36,932.81-55,393.97-21,086.39

Finding the Fourth Proportional to 36,932.81, 55,393.97 and 21,086.39

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Solution

The fourth proportional to 36,932.81, 55,393.97 and 21,086.39 is: 31,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,932.81 : 55,393.97 = 21,086.39 : x
  2. Step 2: Convert to fraction form
    36,932.81/55,393.97 = 21,086.39/x
  3. Step 3: Cross multiply
    36,932.81x = 55,393.97 × 21,086.39
  4. Step 4: Simplify right side
    36,932.81x = 1,168,058,888.12
  5. Step 5: Solve for x
    x = 1,168,058,888.12/36,932.81
  6. Step 6: Final answer
    x = 31,626.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.