Home / 55,091.80-76,042.93-35,974.55

Finding the Fourth Proportional to 55,091.80, 76,042.93 and 35,974.55

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Solution

The fourth proportional to 55,091.80, 76,042.93 and 35,974.55 is: 49,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,091.80 : 76,042.93 = 35,974.55 : x
  2. Step 2: Convert to fraction form
    55,091.80/76,042.93 = 35,974.55/x
  3. Step 3: Cross multiply
    55,091.80x = 76,042.93 × 35,974.55
  4. Step 4: Simplify right side
    55,091.80x = 2,735,610,028.49
  5. Step 5: Solve for x
    x = 2,735,610,028.49/55,091.80
  6. Step 6: Final answer
    x = 49,655.48

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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.