Home / 55,177.66-76,142.68-31,308.83

Finding the Fourth Proportional to 55,177.66, 76,142.68 and 31,308.83

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Solution

The fourth proportional to 55,177.66, 76,142.68 and 31,308.83 is: 43,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,177.66 : 76,142.68 = 31,308.83 : x
  2. Step 2: Convert to fraction form
    55,177.66/76,142.68 = 31,308.83/x
  3. Step 3: Cross multiply
    55,177.66x = 76,142.68 × 31,308.83
  4. Step 4: Simplify right side
    55,177.66x = 2,383,938,226.53
  5. Step 5: Solve for x
    x = 2,383,938,226.53/55,177.66
  6. Step 6: Final answer
    x = 43,204.78

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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.