Home / 33,073.62-45,623.40-20,951.90

Finding the Fourth Proportional to 33,073.62, 45,623.40 and 20,951.90

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Solution

The fourth proportional to 33,073.62, 45,623.40 and 20,951.90 is: 28,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,073.62 : 45,623.40 = 20,951.90 : x
  2. Step 2: Convert to fraction form
    33,073.62/45,623.40 = 20,951.90/x
  3. Step 3: Cross multiply
    33,073.62x = 45,623.40 × 20,951.90
  4. Step 4: Simplify right side
    33,073.62x = 955,896,686.34
  5. Step 5: Solve for x
    x = 955,896,686.34/33,073.62
  6. Step 6: Final answer
    x = 28,902.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.