Home / 30,608.87-45,937.98-15,822

Finding the Fourth Proportional to 30,608.87, 45,937.98 and 15,822

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Solution

The fourth proportional to 30,608.87, 45,937.98 and 15,822 is: 23,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608.87 : 45,937.98 = 15,822 : x
  2. Step 2: Convert to fraction form
    30,608.87/45,937.98 = 15,822/x
  3. Step 3: Cross multiply
    30,608.87x = 45,937.98 × 15,822
  4. Step 4: Simplify right side
    30,608.87x = 726,830,719.56
  5. Step 5: Solve for x
    x = 726,830,719.56/30,608.87
  6. Step 6: Final answer
    x = 23,745.76

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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.