Home / 50,378-75,570.12-15,320.24

Finding the Fourth Proportional to 50,378, 75,570.12 and 15,320.24

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Solution

The fourth proportional to 50,378, 75,570.12 and 15,320.24 is: 22,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,378 : 75,570.12 = 15,320.24 : x
  2. Step 2: Convert to fraction form
    50,378/75,570.12 = 15,320.24/x
  3. Step 3: Cross multiply
    50,378x = 75,570.12 × 15,320.24
  4. Step 4: Simplify right side
    50,378x = 1,157,752,375.23
  5. Step 5: Solve for x
    x = 1,157,752,375.23/50,378
  6. Step 6: Final answer
    x = 22,981.31

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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.