Home / 48,991.75-67,620.86-30,117.94

Finding the Fourth Proportional to 48,991.75, 67,620.86 and 30,117.94

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Solution

The fourth proportional to 48,991.75, 67,620.86 and 30,117.94 is: 41,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,991.75 : 67,620.86 = 30,117.94 : x
  2. Step 2: Convert to fraction form
    48,991.75/67,620.86 = 30,117.94/x
  3. Step 3: Cross multiply
    48,991.75x = 67,620.86 × 30,117.94
  4. Step 4: Simplify right side
    48,991.75x = 2,036,600,797.53
  5. Step 5: Solve for x
    x = 2,036,600,797.53/48,991.75
  6. Step 6: Final answer
    x = 41,570.28

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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.