Home / 50,747.51-76,143.14-21,171.17

Finding the Fourth Proportional to 50,747.51, 76,143.14 and 21,171.17

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Solution

The fourth proportional to 50,747.51, 76,143.14 and 21,171.17 is: 31,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,747.51 : 76,143.14 = 21,171.17 : x
  2. Step 2: Convert to fraction form
    50,747.51/76,143.14 = 21,171.17/x
  3. Step 3: Cross multiply
    50,747.51x = 76,143.14 × 21,171.17
  4. Step 4: Simplify right side
    50,747.51x = 1,612,039,361.27
  5. Step 5: Solve for x
    x = 1,612,039,361.27/50,747.51
  6. Step 6: Final answer
    x = 31,765.88

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1.5x scale

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.