Home / 63,297.42-87,388.35-39,456.39

Finding the Fourth Proportional to 63,297.42, 87,388.35 and 39,456.39

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Solution

The fourth proportional to 63,297.42, 87,388.35 and 39,456.39 is: 54,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,297.42 : 87,388.35 = 39,456.39 : x
  2. Step 2: Convert to fraction form
    63,297.42/87,388.35 = 39,456.39/x
  3. Step 3: Cross multiply
    63,297.42x = 87,388.35 × 39,456.39
  4. Step 4: Simplify right side
    63,297.42x = 3,448,028,819.06
  5. Step 5: Solve for x
    x = 3,448,028,819.06/63,297.42
  6. Step 6: Final answer
    x = 54,473.45

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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.