Home / 50,739.20-76,121.76-19,566.08

Finding the Fourth Proportional to 50,739.20, 76,121.76 and 19,566.08

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Solution

The fourth proportional to 50,739.20, 76,121.76 and 19,566.08 is: 29,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.20 : 76,121.76 = 19,566.08 : x
  2. Step 2: Convert to fraction form
    50,739.20/76,121.76 = 19,566.08/x
  3. Step 3: Cross multiply
    50,739.20x = 76,121.76 × 19,566.08
  4. Step 4: Simplify right side
    50,739.20x = 1,489,404,445.90
  5. Step 5: Solve for x
    x = 1,489,404,445.90/50,739.20
  6. Step 6: Final answer
    x = 29,354.12

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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.