Home / 55,297.48-76,310.52-31,424.20

Finding the Fourth Proportional to 55,297.48, 76,310.52 and 31,424.20

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Solution

The fourth proportional to 55,297.48, 76,310.52 and 31,424.20 is: 43,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.48 : 76,310.52 = 31,424.20 : x
  2. Step 2: Convert to fraction form
    55,297.48/76,310.52 = 31,424.20/x
  3. Step 3: Cross multiply
    55,297.48x = 76,310.52 × 31,424.20
  4. Step 4: Simplify right side
    55,297.48x = 2,397,997,042.58
  5. Step 5: Solve for x
    x = 2,397,997,042.58/55,297.48
  6. Step 6: Final answer
    x = 43,365.39

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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.