Home / 50,919.13-76,348.45-20,924.47

Finding the Fourth Proportional to 50,919.13, 76,348.45 and 20,924.47

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Solution

The fourth proportional to 50,919.13, 76,348.45 and 20,924.47 is: 31,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,919.13 : 76,348.45 = 20,924.47 : x
  2. Step 2: Convert to fraction form
    50,919.13/76,348.45 = 20,924.47/x
  3. Step 3: Cross multiply
    50,919.13x = 76,348.45 × 20,924.47
  4. Step 4: Simplify right side
    50,919.13x = 1,597,550,851.57
  5. Step 5: Solve for x
    x = 1,597,550,851.57/50,919.13
  6. Step 6: Final answer
    x = 31,374.28

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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.