Home / 50,320.12-75,451-20,704.48

Finding the Fourth Proportional to 50,320.12, 75,451 and 20,704.48

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Solution

The fourth proportional to 50,320.12, 75,451 and 20,704.48 is: 31,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,320.12 : 75,451 = 20,704.48 : x
  2. Step 2: Convert to fraction form
    50,320.12/75,451 = 20,704.48/x
  3. Step 3: Cross multiply
    50,320.12x = 75,451 × 20,704.48
  4. Step 4: Simplify right side
    50,320.12x = 1,562,173,720.48
  5. Step 5: Solve for x
    x = 1,562,173,720.48/50,320.12
  6. Step 6: Final answer
    x = 31,044.71

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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.