Home / 33,175.92-45,776.47-21,078.36

Finding the Fourth Proportional to 33,175.92, 45,776.47 and 21,078.36

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Solution

The fourth proportional to 33,175.92, 45,776.47 and 21,078.36 is: 29,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,175.92 : 45,776.47 = 21,078.36 : x
  2. Step 2: Convert to fraction form
    33,175.92/45,776.47 = 21,078.36/x
  3. Step 3: Cross multiply
    33,175.92x = 45,776.47 × 21,078.36
  4. Step 4: Simplify right side
    33,175.92x = 964,892,914.19
  5. Step 5: Solve for x
    x = 964,892,914.19/33,175.92
  6. Step 6: Final answer
    x = 29,084.13

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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.