Home / 31,309.68-43,212.90-23,743.26

Finding the Fourth Proportional to 31,309.68, 43,212.90 and 23,743.26

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Solution

The fourth proportional to 31,309.68, 43,212.90 and 23,743.26 is: 32,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.68 : 43,212.90 = 23,743.26 : x
  2. Step 2: Convert to fraction form
    31,309.68/43,212.90 = 23,743.26/x
  3. Step 3: Cross multiply
    31,309.68x = 43,212.90 × 23,743.26
  4. Step 4: Simplify right side
    31,309.68x = 1,026,015,120.05
  5. Step 5: Solve for x
    x = 1,026,015,120.05/31,309.68
  6. Step 6: Final answer
    x = 32,769.90

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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.