Home / 52,010.20-71,782.66-31,878.28

Finding the Fourth Proportional to 52,010.20, 71,782.66 and 31,878.28

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Solution

The fourth proportional to 52,010.20, 71,782.66 and 31,878.28 is: 43,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,010.20 : 71,782.66 = 31,878.28 : x
  2. Step 2: Convert to fraction form
    52,010.20/71,782.66 = 31,878.28/x
  3. Step 3: Cross multiply
    52,010.20x = 71,782.66 × 31,878.28
  4. Step 4: Simplify right side
    52,010.20x = 2,288,307,734.62
  5. Step 5: Solve for x
    x = 2,288,307,734.62/52,010.20
  6. Step 6: Final answer
    x = 43,997.29

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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.