Home / 33,431.49-50,148.39-12,376.82

Finding the Fourth Proportional to 33,431.49, 50,148.39 and 12,376.82

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Solution

The fourth proportional to 33,431.49, 50,148.39 and 12,376.82 is: 18,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.49 : 50,148.39 = 12,376.82 : x
  2. Step 2: Convert to fraction form
    33,431.49/50,148.39 = 12,376.82/x
  3. Step 3: Cross multiply
    33,431.49x = 50,148.39 × 12,376.82
  4. Step 4: Simplify right side
    33,431.49x = 620,677,345.58
  5. Step 5: Solve for x
    x = 620,677,345.58/33,431.49
  6. Step 6: Final answer
    x = 18,565.65

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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.