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Finding the Fourth Proportional to 56,235.34, 84,321.11 and 22,916.39

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Solution

The fourth proportional to 56,235.34, 84,321.11 and 22,916.39 is: 34,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,235.34 : 84,321.11 = 22,916.39 : x
  2. Step 2: Convert to fraction form
    56,235.34/84,321.11 = 22,916.39/x
  3. Step 3: Cross multiply
    56,235.34x = 84,321.11 × 22,916.39
  4. Step 4: Simplify right side
    56,235.34x = 1,932,335,327.41
  5. Step 5: Solve for x
    x = 1,932,335,327.41/56,235.34
  6. Step 6: Final answer
    x = 34,361.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.