Home / 54,174.60-74,755.71-31,512.42

Finding the Fourth Proportional to 54,174.60, 74,755.71 and 31,512.42

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Solution

The fourth proportional to 54,174.60, 74,755.71 and 31,512.42 is: 43,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.60 : 74,755.71 = 31,512.42 : x
  2. Step 2: Convert to fraction form
    54,174.60/74,755.71 = 31,512.42/x
  3. Step 3: Cross multiply
    54,174.60x = 74,755.71 × 31,512.42
  4. Step 4: Simplify right side
    54,174.60x = 2,355,733,330.92
  5. Step 5: Solve for x
    x = 2,355,733,330.92/54,174.60
  6. Step 6: Final answer
    x = 43,484.09

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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.