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Finding the Fourth Proportional to 56,432.31, 84,676.22 and 22,696.99

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Solution

The fourth proportional to 56,432.31, 84,676.22 and 22,696.99 is: 34,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,432.31 : 84,676.22 = 22,696.99 : x
  2. Step 2: Convert to fraction form
    56,432.31/84,676.22 = 22,696.99/x
  3. Step 3: Cross multiply
    56,432.31x = 84,676.22 × 22,696.99
  4. Step 4: Simplify right side
    56,432.31x = 1,921,895,205.09
  5. Step 5: Solve for x
    x = 1,921,895,205.09/56,432.31
  6. Step 6: Final answer
    x = 34,056.65

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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.