Home / 50,891.44-70,228.52-30,744.80

Finding the Fourth Proportional to 50,891.44, 70,228.52 and 30,744.80

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Solution

The fourth proportional to 50,891.44, 70,228.52 and 30,744.80 is: 42,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.44 : 70,228.52 = 30,744.80 : x
  2. Step 2: Convert to fraction form
    50,891.44/70,228.52 = 30,744.80/x
  3. Step 3: Cross multiply
    50,891.44x = 70,228.52 × 30,744.80
  4. Step 4: Simplify right side
    50,891.44x = 2,159,161,801.70
  5. Step 5: Solve for x
    x = 2,159,161,801.70/50,891.44
  6. Step 6: Final answer
    x = 42,426.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.