Home / 61,322.27-91,948.77-21,322.85

Finding the Fourth Proportional to 61,322.27, 91,948.77 and 21,322.85

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Solution

The fourth proportional to 61,322.27, 91,948.77 and 21,322.85 is: 31,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,322.27 : 91,948.77 = 21,322.85 : x
  2. Step 2: Convert to fraction form
    61,322.27/91,948.77 = 21,322.85/x
  3. Step 3: Cross multiply
    61,322.27x = 91,948.77 × 21,322.85
  4. Step 4: Simplify right side
    61,322.27x = 1,960,609,370.65
  5. Step 5: Solve for x
    x = 1,960,609,370.65/61,322.27
  6. Step 6: Final answer
    x = 31,972.23

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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.