Home / 61,268.71-91,834.17-31,198.57

Finding the Fourth Proportional to 61,268.71, 91,834.17 and 31,198.57

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Solution

The fourth proportional to 61,268.71, 91,834.17 and 31,198.57 is: 46,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,268.71 : 91,834.17 = 31,198.57 : x
  2. Step 2: Convert to fraction form
    61,268.71/91,834.17 = 31,198.57/x
  3. Step 3: Cross multiply
    61,268.71x = 91,834.17 × 31,198.57
  4. Step 4: Simplify right side
    61,268.71x = 2,865,094,781.14
  5. Step 5: Solve for x
    x = 2,865,094,781.14/61,268.71
  6. Step 6: Final answer
    x = 46,762.77

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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.