Home / 76,792.26-115,180.60-20,625.07

Finding the Fourth Proportional to 76,792.26, 115,180.60 and 20,625.07

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Solution

The fourth proportional to 76,792.26, 115,180.60 and 20,625.07 is: 30,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,792.26 : 115,180.60 = 20,625.07 : x
  2. Step 2: Convert to fraction form
    76,792.26/115,180.60 = 20,625.07/x
  3. Step 3: Cross multiply
    76,792.26x = 115,180.60 × 20,625.07
  4. Step 4: Simplify right side
    76,792.26x = 2,375,607,937.64
  5. Step 5: Solve for x
    x = 2,375,607,937.64/76,792.26
  6. Step 6: Final answer
    x = 30,935.51

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1.5x scale

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.