Home / 51,212.36-76,818.55-33,678.09

Finding the Fourth Proportional to 51,212.36, 76,818.55 and 33,678.09

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Solution

The fourth proportional to 51,212.36, 76,818.55 and 33,678.09 is: 50,517.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.36 : 76,818.55 = 33,678.09 : x
  2. Step 2: Convert to fraction form
    51,212.36/76,818.55 = 33,678.09/x
  3. Step 3: Cross multiply
    51,212.36x = 76,818.55 × 33,678.09
  4. Step 4: Simplify right side
    51,212.36x = 2,587,102,040.57
  5. Step 5: Solve for x
    x = 2,587,102,040.57/51,212.36
  6. Step 6: Final answer
    x = 50,517.14

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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.