Home / 36,932.90-55,394.10-21,086.49

Finding the Fourth Proportional to 36,932.90, 55,394.10 and 21,086.49

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Solution

The fourth proportional to 36,932.90, 55,394.10 and 21,086.49 is: 31,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,932.90 : 55,394.10 = 21,086.49 : x
  2. Step 2: Convert to fraction form
    36,932.90/55,394.10 = 21,086.49/x
  3. Step 3: Cross multiply
    36,932.90x = 55,394.10 × 21,086.49
  4. Step 4: Simplify right side
    36,932.90x = 1,168,066,935.35
  5. Step 5: Solve for x
    x = 1,168,066,935.35/36,932.90
  6. Step 6: Final answer
    x = 31,626.74

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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.