Home / 31,236.20-43,105.90-17,089.04

Finding the Fourth Proportional to 31,236.20, 43,105.90 and 17,089.04

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Solution

The fourth proportional to 31,236.20, 43,105.90 and 17,089.04 is: 23,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.20 : 43,105.90 = 17,089.04 : x
  2. Step 2: Convert to fraction form
    31,236.20/43,105.90 = 17,089.04/x
  3. Step 3: Cross multiply
    31,236.20x = 43,105.90 × 17,089.04
  4. Step 4: Simplify right side
    31,236.20x = 736,638,191.08
  5. Step 5: Solve for x
    x = 736,638,191.08/31,236.20
  6. Step 6: Final answer
    x = 23,582.84

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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.