Home / 54,584.80-81,877.20-31,213.60

Finding the Fourth Proportional to 54,584.80, 81,877.20 and 31,213.60

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Solution

The fourth proportional to 54,584.80, 81,877.20 and 31,213.60 is: 46,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,584.80 : 81,877.20 = 31,213.60 : x
  2. Step 2: Convert to fraction form
    54,584.80/81,877.20 = 31,213.60/x
  3. Step 3: Cross multiply
    54,584.80x = 81,877.20 × 31,213.60
  4. Step 4: Simplify right side
    54,584.80x = 2,555,682,169.92
  5. Step 5: Solve for x
    x = 2,555,682,169.92/54,584.80
  6. Step 6: Final answer
    x = 46,820.40

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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.