Home / 51,678.44-77,473.92-20,496.68

Finding the Fourth Proportional to 51,678.44, 77,473.92 and 20,496.68

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Solution

The fourth proportional to 51,678.44, 77,473.92 and 20,496.68 is: 30,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,678.44 : 77,473.92 = 20,496.68 : x
  2. Step 2: Convert to fraction form
    51,678.44/77,473.92 = 20,496.68/x
  3. Step 3: Cross multiply
    51,678.44x = 77,473.92 × 20,496.68
  4. Step 4: Simplify right side
    51,678.44x = 1,587,958,146.59
  5. Step 5: Solve for x
    x = 1,587,958,146.59/51,678.44
  6. Step 6: Final answer
    x = 30,727.67

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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.