Home / 33,110.51-45,702.96-21,173.90

Finding the Fourth Proportional to 33,110.51, 45,702.96 and 21,173.90

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Solution

The fourth proportional to 33,110.51, 45,702.96 and 21,173.90 is: 29,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.51 : 45,702.96 = 21,173.90 : x
  2. Step 2: Convert to fraction form
    33,110.51/45,702.96 = 21,173.90/x
  3. Step 3: Cross multiply
    33,110.51x = 45,702.96 × 21,173.90
  4. Step 4: Simplify right side
    33,110.51x = 967,709,676.23
  5. Step 5: Solve for x
    x = 967,709,676.23/33,110.51
  6. Step 6: Final answer
    x = 29,226.66

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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.