Home / 50,311.86-75,470.37-12,872.25

Finding the Fourth Proportional to 50,311.86, 75,470.37 and 12,872.25

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Solution

The fourth proportional to 50,311.86, 75,470.37 and 12,872.25 is: 19,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,311.86 : 75,470.37 = 12,872.25 : x
  2. Step 2: Convert to fraction form
    50,311.86/75,470.37 = 12,872.25/x
  3. Step 3: Cross multiply
    50,311.86x = 75,470.37 × 12,872.25
  4. Step 4: Simplify right side
    50,311.86x = 971,473,470.23
  5. Step 5: Solve for x
    x = 971,473,470.23/50,311.86
  6. Step 6: Final answer
    x = 19,309.04

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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.