Home / 51,365.25-77,041.71-13,923

Finding the Fourth Proportional to 51,365.25, 77,041.71 and 13,923

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Solution

The fourth proportional to 51,365.25, 77,041.71 and 13,923 is: 20,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,365.25 : 77,041.71 = 13,923 : x
  2. Step 2: Convert to fraction form
    51,365.25/77,041.71 = 13,923/x
  3. Step 3: Cross multiply
    51,365.25x = 77,041.71 × 13,923
  4. Step 4: Simplify right side
    51,365.25x = 1,072,651,728.33
  5. Step 5: Solve for x
    x = 1,072,651,728.33/51,365.25
  6. Step 6: Final answer
    x = 20,882.83

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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.