Home / 55,118.40-76,063-29,967.88

Finding the Fourth Proportional to 55,118.40, 76,063 and 29,967.88

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Solution

The fourth proportional to 55,118.40, 76,063 and 29,967.88 is: 41,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.40 : 76,063 = 29,967.88 : x
  2. Step 2: Convert to fraction form
    55,118.40/76,063 = 29,967.88/x
  3. Step 3: Cross multiply
    55,118.40x = 76,063 × 29,967.88
  4. Step 4: Simplify right side
    55,118.40x = 2,279,446,856.44
  5. Step 5: Solve for x
    x = 2,279,446,856.44/55,118.40
  6. Step 6: Final answer
    x = 41,355.46

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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.