Home / 33,432.97-50,152.79-12,378.64

Finding the Fourth Proportional to 33,432.97, 50,152.79 and 12,378.64

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Solution

The fourth proportional to 33,432.97, 50,152.79 and 12,378.64 is: 18,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,432.97 : 50,152.79 = 12,378.64 : x
  2. Step 2: Convert to fraction form
    33,432.97/50,152.79 = 12,378.64/x
  3. Step 3: Cross multiply
    33,432.97x = 50,152.79 × 12,378.64
  4. Step 4: Simplify right side
    33,432.97x = 620,823,270.51
  5. Step 5: Solve for x
    x = 620,823,270.51/33,432.97
  6. Step 6: Final answer
    x = 18,569.19

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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.