Home / 33,016.40-49,528.20-31,979.60

Finding the Fourth Proportional to 33,016.40, 49,528.20 and 31,979.60

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Solution

The fourth proportional to 33,016.40, 49,528.20 and 31,979.60 is: 47,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,016.40 : 49,528.20 = 31,979.60 : x
  2. Step 2: Convert to fraction form
    33,016.40/49,528.20 = 31,979.60/x
  3. Step 3: Cross multiply
    33,016.40x = 49,528.20 × 31,979.60
  4. Step 4: Simplify right side
    33,016.40x = 1,583,892,024.72
  5. Step 5: Solve for x
    x = 1,583,892,024.72/33,016.40
  6. Step 6: Final answer
    x = 47,972.89

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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.