Home / 31,310.40-46,965.60-27,422.40

Finding the Fourth Proportional to 31,310.40, 46,965.60 and 27,422.40

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Solution

The fourth proportional to 31,310.40, 46,965.60 and 27,422.40 is: 41,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.40 : 46,965.60 = 27,422.40 : x
  2. Step 2: Convert to fraction form
    31,310.40/46,965.60 = 27,422.40/x
  3. Step 3: Cross multiply
    31,310.40x = 46,965.60 × 27,422.40
  4. Step 4: Simplify right side
    31,310.40x = 1,287,909,469.44
  5. Step 5: Solve for x
    x = 1,287,909,469.44/31,310.40
  6. Step 6: Final answer
    x = 41,133.60

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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.