Home / 54,431.20-81,568.92-31,009.24

Finding the Fourth Proportional to 54,431.20, 81,568.92 and 31,009.24

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Solution

The fourth proportional to 54,431.20, 81,568.92 and 31,009.24 is: 46,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.20 : 81,568.92 = 31,009.24 : x
  2. Step 2: Convert to fraction form
    54,431.20/81,568.92 = 31,009.24/x
  3. Step 3: Cross multiply
    54,431.20x = 81,568.92 × 31,009.24
  4. Step 4: Simplify right side
    54,431.20x = 2,529,390,216.82
  5. Step 5: Solve for x
    x = 2,529,390,216.82/54,431.20
  6. Step 6: Final answer
    x = 46,469.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.