Home / 32,122.82-44,342.37-21,219.38

Finding the Fourth Proportional to 32,122.82, 44,342.37 and 21,219.38

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Solution

The fourth proportional to 32,122.82, 44,342.37 and 21,219.38 is: 29,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,122.82 : 44,342.37 = 21,219.38 : x
  2. Step 2: Convert to fraction form
    32,122.82/44,342.37 = 21,219.38/x
  3. Step 3: Cross multiply
    32,122.82x = 44,342.37 × 21,219.38
  4. Step 4: Simplify right side
    32,122.82x = 940,917,599.13
  5. Step 5: Solve for x
    x = 940,917,599.13/32,122.82
  6. Step 6: Final answer
    x = 29,291.25

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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.