Home / 50,635.83-75,904.38-20,231.91

Finding the Fourth Proportional to 50,635.83, 75,904.38 and 20,231.91

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Solution

The fourth proportional to 50,635.83, 75,904.38 and 20,231.91 is: 30,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,635.83 : 75,904.38 = 20,231.91 : x
  2. Step 2: Convert to fraction form
    50,635.83/75,904.38 = 20,231.91/x
  3. Step 3: Cross multiply
    50,635.83x = 75,904.38 × 20,231.91
  4. Step 4: Simplify right side
    50,635.83x = 1,535,690,255.82
  5. Step 5: Solve for x
    x = 1,535,690,255.82/50,635.83
  6. Step 6: Final answer
    x = 30,328.13

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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.