Home / 50,377.50-75,565.76-18,786.47

Finding the Fourth Proportional to 50,377.50, 75,565.76 and 18,786.47

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Solution

The fourth proportional to 50,377.50, 75,565.76 and 18,786.47 is: 28,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,377.50 : 75,565.76 = 18,786.47 : x
  2. Step 2: Convert to fraction form
    50,377.50/75,565.76 = 18,786.47/x
  3. Step 3: Cross multiply
    50,377.50x = 75,565.76 × 18,786.47
  4. Step 4: Simplify right side
    50,377.50x = 1,419,613,411.51
  5. Step 5: Solve for x
    x = 1,419,613,411.51/50,377.50
  6. Step 6: Final answer
    x = 28,179.51

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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.