Home / 61,269.67-91,922.96-21,821.65

Finding the Fourth Proportional to 61,269.67, 91,922.96 and 21,821.65

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Solution

The fourth proportional to 61,269.67, 91,922.96 and 21,821.65 is: 32,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,269.67 : 91,922.96 = 21,821.65 : x
  2. Step 2: Convert to fraction form
    61,269.67/91,922.96 = 21,821.65/x
  3. Step 3: Cross multiply
    61,269.67x = 91,922.96 × 21,821.65
  4. Step 4: Simplify right side
    61,269.67x = 2,005,910,660.08
  5. Step 5: Solve for x
    x = 2,005,910,660.08/61,269.67
  6. Step 6: Final answer
    x = 32,739.05

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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.