Home / 54,360.40-81,540.60-31,032.40

Finding the Fourth Proportional to 54,360.40, 81,540.60 and 31,032.40

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Solution

The fourth proportional to 54,360.40, 81,540.60 and 31,032.40 is: 46,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360.40 : 81,540.60 = 31,032.40 : x
  2. Step 2: Convert to fraction form
    54,360.40/81,540.60 = 31,032.40/x
  3. Step 3: Cross multiply
    54,360.40x = 81,540.60 × 31,032.40
  4. Step 4: Simplify right side
    54,360.40x = 2,530,400,515.44
  5. Step 5: Solve for x
    x = 2,530,400,515.44/54,360.40
  6. Step 6: Final answer
    x = 46,548.60

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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.