Home / 51,072.26-70,472.97-28,406.75

Finding the Fourth Proportional to 51,072.26, 70,472.97 and 28,406.75

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Solution

The fourth proportional to 51,072.26, 70,472.97 and 28,406.75 is: 39,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.26 : 70,472.97 = 28,406.75 : x
  2. Step 2: Convert to fraction form
    51,072.26/70,472.97 = 28,406.75/x
  3. Step 3: Cross multiply
    51,072.26x = 70,472.97 × 28,406.75
  4. Step 4: Simplify right side
    51,072.26x = 2,001,907,688.18
  5. Step 5: Solve for x
    x = 2,001,907,688.18/51,072.26
  6. Step 6: Final answer
    x = 39,197.56

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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.