Home / 50,707.80-76,008.24-21,095.82

Finding the Fourth Proportional to 50,707.80, 76,008.24 and 21,095.82

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Solution

The fourth proportional to 50,707.80, 76,008.24 and 21,095.82 is: 31,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,707.80 : 76,008.24 = 21,095.82 : x
  2. Step 2: Convert to fraction form
    50,707.80/76,008.24 = 21,095.82/x
  3. Step 3: Cross multiply
    50,707.80x = 76,008.24 × 21,095.82
  4. Step 4: Simplify right side
    50,707.80x = 1,603,456,149.56
  5. Step 5: Solve for x
    x = 1,603,456,149.56/50,707.80
  6. Step 6: Final answer
    x = 31,621.49

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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.