Home / 51,540.69-77,327.14-15,518.57

Finding the Fourth Proportional to 51,540.69, 77,327.14 and 15,518.57

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Solution

The fourth proportional to 51,540.69, 77,327.14 and 15,518.57 is: 23,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,540.69 : 77,327.14 = 15,518.57 : x
  2. Step 2: Convert to fraction form
    51,540.69/77,327.14 = 15,518.57/x
  3. Step 3: Cross multiply
    51,540.69x = 77,327.14 × 15,518.57
  4. Step 4: Simplify right side
    51,540.69x = 1,200,006,847.46
  5. Step 5: Solve for x
    x = 1,200,006,847.46/51,540.69
  6. Step 6: Final answer
    x = 23,282.71

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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.