Home / 50,408.74-75,560.36-18,806.09

Finding the Fourth Proportional to 50,408.74, 75,560.36 and 18,806.09

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Solution

The fourth proportional to 50,408.74, 75,560.36 and 18,806.09 is: 28,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,408.74 : 75,560.36 = 18,806.09 : x
  2. Step 2: Convert to fraction form
    50,408.74/75,560.36 = 18,806.09/x
  3. Step 3: Cross multiply
    50,408.74x = 75,560.36 × 18,806.09
  4. Step 4: Simplify right side
    50,408.74x = 1,420,994,458.76
  5. Step 5: Solve for x
    x = 1,420,994,458.76/50,408.74
  6. Step 6: Final answer
    x = 28,189.45

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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.