Home / 51,072.52-70,488.32-29,847.64

Finding the Fourth Proportional to 51,072.52, 70,488.32 and 29,847.64

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Solution

The fourth proportional to 51,072.52, 70,488.32 and 29,847.64 is: 41,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.52 : 70,488.32 = 29,847.64 : x
  2. Step 2: Convert to fraction form
    51,072.52/70,488.32 = 29,847.64/x
  3. Step 3: Cross multiply
    51,072.52x = 70,488.32 × 29,847.64
  4. Step 4: Simplify right side
    51,072.52x = 2,103,909,999.56
  5. Step 5: Solve for x
    x = 2,103,909,999.56/51,072.52
  6. Step 6: Final answer
    x = 41,194.56

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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.