Home / 55,160.39-76,121.66-30,010.07

Finding the Fourth Proportional to 55,160.39, 76,121.66 and 30,010.07

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Solution

The fourth proportional to 55,160.39, 76,121.66 and 30,010.07 is: 41,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160.39 : 76,121.66 = 30,010.07 : x
  2. Step 2: Convert to fraction form
    55,160.39/76,121.66 = 30,010.07/x
  3. Step 3: Cross multiply
    55,160.39x = 76,121.66 × 30,010.07
  4. Step 4: Simplify right side
    55,160.39x = 2,284,416,039.53
  5. Step 5: Solve for x
    x = 2,284,416,039.53/55,160.39
  6. Step 6: Final answer
    x = 41,414.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.