Home / 55,929.30-77,183.46-30,778.26

Finding the Fourth Proportional to 55,929.30, 77,183.46 and 30,778.26

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Solution

The fourth proportional to 55,929.30, 77,183.46 and 30,778.26 is: 42,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,929.30 : 77,183.46 = 30,778.26 : x
  2. Step 2: Convert to fraction form
    55,929.30/77,183.46 = 30,778.26/x
  3. Step 3: Cross multiply
    55,929.30x = 77,183.46 × 30,778.26
  4. Step 4: Simplify right side
    55,929.30x = 2,375,572,599.58
  5. Step 5: Solve for x
    x = 2,375,572,599.58/55,929.30
  6. Step 6: Final answer
    x = 42,474.56

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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.