Home / 50,921.13-76,351.46-20,926.47

Finding the Fourth Proportional to 50,921.13, 76,351.46 and 20,926.47

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Solution

The fourth proportional to 50,921.13, 76,351.46 and 20,926.47 is: 31,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.13 : 76,351.46 = 20,926.47 : x
  2. Step 2: Convert to fraction form
    50,921.13/76,351.46 = 20,926.47/x
  3. Step 3: Cross multiply
    50,921.13x = 76,351.46 × 20,926.47
  4. Step 4: Simplify right side
    50,921.13x = 1,597,766,432.51
  5. Step 5: Solve for x
    x = 1,597,766,432.51/50,921.13
  6. Step 6: Final answer
    x = 31,377.28

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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.