Home / 31,121.60-46,682.40-17,076.20

Finding the Fourth Proportional to 31,121.60, 46,682.40 and 17,076.20

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Solution

The fourth proportional to 31,121.60, 46,682.40 and 17,076.20 is: 25,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121.60 : 46,682.40 = 17,076.20 : x
  2. Step 2: Convert to fraction form
    31,121.60/46,682.40 = 17,076.20/x
  3. Step 3: Cross multiply
    31,121.60x = 46,682.40 × 17,076.20
  4. Step 4: Simplify right side
    31,121.60x = 797,157,998.88
  5. Step 5: Solve for x
    x = 797,157,998.88/31,121.60
  6. Step 6: Final answer
    x = 25,614.30

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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.