Home / 33,243.40-49,865.10-30,521.80

Finding the Fourth Proportional to 33,243.40, 49,865.10 and 30,521.80

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Solution

The fourth proportional to 33,243.40, 49,865.10 and 30,521.80 is: 45,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.40 : 49,865.10 = 30,521.80 : x
  2. Step 2: Convert to fraction form
    33,243.40/49,865.10 = 30,521.80/x
  3. Step 3: Cross multiply
    33,243.40x = 49,865.10 × 30,521.80
  4. Step 4: Simplify right side
    33,243.40x = 1,521,972,609.18
  5. Step 5: Solve for x
    x = 1,521,972,609.18/33,243.40
  6. Step 6: Final answer
    x = 45,782.70

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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.