Home / 63,107.61-94,640.86-20,976.38

Finding the Fourth Proportional to 63,107.61, 94,640.86 and 20,976.38

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Solution

The fourth proportional to 63,107.61, 94,640.86 and 20,976.38 is: 31,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,107.61 : 94,640.86 = 20,976.38 : x
  2. Step 2: Convert to fraction form
    63,107.61/94,640.86 = 20,976.38/x
  3. Step 3: Cross multiply
    63,107.61x = 94,640.86 × 20,976.38
  4. Step 4: Simplify right side
    63,107.61x = 1,985,222,169.68
  5. Step 5: Solve for x
    x = 1,985,222,169.68/63,107.61
  6. Step 6: Final answer
    x = 31,457.73

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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.