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Finding the Fourth Proportional to 22,133.49, 30,514.32 and 21,445.53

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Solution

The fourth proportional to 22,133.49, 30,514.32 and 21,445.53 is: 29,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.49 : 30,514.32 = 21,445.53 : x
  2. Step 2: Convert to fraction form
    22,133.49/30,514.32 = 21,445.53/x
  3. Step 3: Cross multiply
    22,133.49x = 30,514.32 × 21,445.53
  4. Step 4: Simplify right side
    22,133.49x = 654,395,764.99
  5. Step 5: Solve for x
    x = 654,395,764.99/22,133.49
  6. Step 6: Final answer
    x = 29,565.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.