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Finding the Fourth Proportional to 32,640.82, 45,058.11 and 22,044.80

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Solution

The fourth proportional to 32,640.82, 45,058.11 and 22,044.80 is: 30,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.82 : 45,058.11 = 22,044.80 : x
  2. Step 2: Convert to fraction form
    32,640.82/45,058.11 = 22,044.80/x
  3. Step 3: Cross multiply
    32,640.82x = 45,058.11 × 22,044.80
  4. Step 4: Simplify right side
    32,640.82x = 993,297,053.31
  5. Step 5: Solve for x
    x = 993,297,053.31/32,640.82
  6. Step 6: Final answer
    x = 30,431.13

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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.