Home / 33,052.70-45,581.45-21,702.17

Finding the Fourth Proportional to 33,052.70, 45,581.45 and 21,702.17

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Solution

The fourth proportional to 33,052.70, 45,581.45 and 21,702.17 is: 29,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,052.70 : 45,581.45 = 21,702.17 : x
  2. Step 2: Convert to fraction form
    33,052.70/45,581.45 = 21,702.17/x
  3. Step 3: Cross multiply
    33,052.70x = 45,581.45 × 21,702.17
  4. Step 4: Simplify right side
    33,052.70x = 989,216,203.09
  5. Step 5: Solve for x
    x = 989,216,203.09/33,052.70
  6. Step 6: Final answer
    x = 29,928.46

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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.