Home / 61,406.70-92,110.05-21,961.42

Finding the Fourth Proportional to 61,406.70, 92,110.05 and 21,961.42

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Solution

The fourth proportional to 61,406.70, 92,110.05 and 21,961.42 is: 32,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,406.70 : 92,110.05 = 21,961.42 : x
  2. Step 2: Convert to fraction form
    61,406.70/92,110.05 = 21,961.42/x
  3. Step 3: Cross multiply
    61,406.70x = 92,110.05 × 21,961.42
  4. Step 4: Simplify right side
    61,406.70x = 2,022,867,494.27
  5. Step 5: Solve for x
    x = 2,022,867,494.27/61,406.70
  6. Step 6: Final answer
    x = 32,942.13

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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.