Home / 33,121.34-45,705.14-19,693.70

Finding the Fourth Proportional to 33,121.34, 45,705.14 and 19,693.70

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Solution

The fourth proportional to 33,121.34, 45,705.14 and 19,693.70 is: 27,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.34 : 45,705.14 = 19,693.70 : x
  2. Step 2: Convert to fraction form
    33,121.34/45,705.14 = 19,693.70/x
  3. Step 3: Cross multiply
    33,121.34x = 45,705.14 × 19,693.70
  4. Step 4: Simplify right side
    33,121.34x = 900,103,315.62
  5. Step 5: Solve for x
    x = 900,103,315.62/33,121.34
  6. Step 6: Final answer
    x = 27,175.93

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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.