Home / 50,191.10-75,285.78-12,240.70

Finding the Fourth Proportional to 50,191.10, 75,285.78 and 12,240.70

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Solution

The fourth proportional to 50,191.10, 75,285.78 and 12,240.70 is: 18,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,191.10 : 75,285.78 = 12,240.70 : x
  2. Step 2: Convert to fraction form
    50,191.10/75,285.78 = 12,240.70/x
  3. Step 3: Cross multiply
    50,191.10x = 75,285.78 × 12,240.70
  4. Step 4: Simplify right side
    50,191.10x = 921,550,647.25
  5. Step 5: Solve for x
    x = 921,550,647.25/50,191.10
  6. Step 6: Final answer
    x = 18,360.84

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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.