Home / 50,924.08-76,403.94-19,781.20

Finding the Fourth Proportional to 50,924.08, 76,403.94 and 19,781.20

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Solution

The fourth proportional to 50,924.08, 76,403.94 and 19,781.20 is: 29,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,924.08 : 76,403.94 = 19,781.20 : x
  2. Step 2: Convert to fraction form
    50,924.08/76,403.94 = 19,781.20/x
  3. Step 3: Cross multiply
    50,924.08x = 76,403.94 × 19,781.20
  4. Step 4: Simplify right side
    50,924.08x = 1,511,361,617.93
  5. Step 5: Solve for x
    x = 1,511,361,617.93/50,924.08
  6. Step 6: Final answer
    x = 29,678.72

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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.