Home / 36,867.40-50,876.52-21,760

Finding the Fourth Proportional to 36,867.40, 50,876.52 and 21,760

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Solution

The fourth proportional to 36,867.40, 50,876.52 and 21,760 is: 30,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,867.40 : 50,876.52 = 21,760 : x
  2. Step 2: Convert to fraction form
    36,867.40/50,876.52 = 21,760/x
  3. Step 3: Cross multiply
    36,867.40x = 50,876.52 × 21,760
  4. Step 4: Simplify right side
    36,867.40x = 1,107,073,075.20
  5. Step 5: Solve for x
    x = 1,107,073,075.20/36,867.40
  6. Step 6: Final answer
    x = 30,028.51

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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.