Home / 50,214.20-75,321.74-12,774.30

Finding the Fourth Proportional to 50,214.20, 75,321.74 and 12,774.30

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Solution

The fourth proportional to 50,214.20, 75,321.74 and 12,774.30 is: 19,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,214.20 : 75,321.74 = 12,774.30 : x
  2. Step 2: Convert to fraction form
    50,214.20/75,321.74 = 12,774.30/x
  3. Step 3: Cross multiply
    50,214.20x = 75,321.74 × 12,774.30
  4. Step 4: Simplify right side
    50,214.20x = 962,182,439.41
  5. Step 5: Solve for x
    x = 962,182,439.41/50,214.20
  6. Step 6: Final answer
    x = 19,161.56

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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.