Home / 33,701.50-50,553.47-12,639.40

Finding the Fourth Proportional to 33,701.50, 50,553.47 and 12,639.40

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Solution

The fourth proportional to 33,701.50, 50,553.47 and 12,639.40 is: 18,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,701.50 : 50,553.47 = 12,639.40 : x
  2. Step 2: Convert to fraction form
    33,701.50/50,553.47 = 12,639.40/x
  3. Step 3: Cross multiply
    33,701.50x = 50,553.47 × 12,639.40
  4. Step 4: Simplify right side
    33,701.50x = 638,965,528.72
  5. Step 5: Solve for x
    x = 638,965,528.72/33,701.50
  6. Step 6: Final answer
    x = 18,959.56

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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.