Home / 31,220.90-43,086.02-17,794.27

Finding the Fourth Proportional to 31,220.90, 43,086.02 and 17,794.27

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Solution

The fourth proportional to 31,220.90, 43,086.02 and 17,794.27 is: 24,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.90 : 43,086.02 = 17,794.27 : x
  2. Step 2: Convert to fraction form
    31,220.90/43,086.02 = 17,794.27/x
  3. Step 3: Cross multiply
    31,220.90x = 43,086.02 × 17,794.27
  4. Step 4: Simplify right side
    31,220.90x = 766,684,273.11
  5. Step 5: Solve for x
    x = 766,684,273.11/31,220.90
  6. Step 6: Final answer
    x = 24,556.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.