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Finding the Fourth Proportional to 56,393.34, 84,564.54 and 16,942.74

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Solution

The fourth proportional to 56,393.34, 84,564.54 and 16,942.74 is: 25,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,393.34 : 84,564.54 = 16,942.74 : x
  2. Step 2: Convert to fraction form
    56,393.34/84,564.54 = 16,942.74/x
  3. Step 3: Cross multiply
    56,393.34x = 84,564.54 × 16,942.74
  4. Step 4: Simplify right side
    56,393.34x = 1,432,755,014.44
  5. Step 5: Solve for x
    x = 1,432,755,014.44/56,393.34
  6. Step 6: Final answer
    x = 25,406.46

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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.