Home / 48,928.38-73,392.56-11,992.38

Finding the Fourth Proportional to 48,928.38, 73,392.56 and 11,992.38

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Solution

The fourth proportional to 48,928.38, 73,392.56 and 11,992.38 is: 17,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,928.38 : 73,392.56 = 11,992.38 : x
  2. Step 2: Convert to fraction form
    48,928.38/73,392.56 = 11,992.38/x
  3. Step 3: Cross multiply
    48,928.38x = 73,392.56 × 11,992.38
  4. Step 4: Simplify right side
    48,928.38x = 880,151,468.69
  5. Step 5: Solve for x
    x = 880,151,468.69/48,928.38
  6. Step 6: Final answer
    x = 17,988.57

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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.