Home / 52,215.78-72,057.82-28,342.44

Finding the Fourth Proportional to 52,215.78, 72,057.82 and 28,342.44

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Solution

The fourth proportional to 52,215.78, 72,057.82 and 28,342.44 is: 39,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.78 : 72,057.82 = 28,342.44 : x
  2. Step 2: Convert to fraction form
    52,215.78/72,057.82 = 28,342.44/x
  3. Step 3: Cross multiply
    52,215.78x = 72,057.82 × 28,342.44
  4. Step 4: Simplify right side
    52,215.78x = 2,042,294,439.88
  5. Step 5: Solve for x
    x = 2,042,294,439.88/52,215.78
  6. Step 6: Final answer
    x = 39,112.59

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1.5x scale

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.