Home / 50,821.20-76,231.80-34,232.40

Finding the Fourth Proportional to 50,821.20, 76,231.80 and 34,232.40

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Solution

The fourth proportional to 50,821.20, 76,231.80 and 34,232.40 is: 51,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821.20 : 76,231.80 = 34,232.40 : x
  2. Step 2: Convert to fraction form
    50,821.20/76,231.80 = 34,232.40/x
  3. Step 3: Cross multiply
    50,821.20x = 76,231.80 × 34,232.40
  4. Step 4: Simplify right side
    50,821.20x = 2,609,597,470.32
  5. Step 5: Solve for x
    x = 2,609,597,470.32/50,821.20
  6. Step 6: Final answer
    x = 51,348.60

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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.