Home / 50,279.05-75,418.56-12,837.79

Finding the Fourth Proportional to 50,279.05, 75,418.56 and 12,837.79

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Solution

The fourth proportional to 50,279.05, 75,418.56 and 12,837.79 is: 19,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.05 : 75,418.56 = 12,837.79 : x
  2. Step 2: Convert to fraction form
    50,279.05/75,418.56 = 12,837.79/x
  3. Step 3: Cross multiply
    50,279.05x = 75,418.56 × 12,837.79
  4. Step 4: Simplify right side
    50,279.05x = 968,207,729.66
  5. Step 5: Solve for x
    x = 968,207,729.66/50,279.05
  6. Step 6: Final answer
    x = 19,256.68

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1.5x scale

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.