Home / 54,311.31-74,949.44-31,663.71

Finding the Fourth Proportional to 54,311.31, 74,949.44 and 31,663.71

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Solution

The fourth proportional to 54,311.31, 74,949.44 and 31,663.71 is: 43,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.31 : 74,949.44 = 31,663.71 : x
  2. Step 2: Convert to fraction form
    54,311.31/74,949.44 = 31,663.71/x
  3. Step 3: Cross multiply
    54,311.31x = 74,949.44 × 31,663.71
  4. Step 4: Simplify right side
    54,311.31x = 2,373,177,174.50
  5. Step 5: Solve for x
    x = 2,373,177,174.50/54,311.31
  6. Step 6: Final answer
    x = 43,695.82

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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.