Home / 31,236.72-43,107.28-17,090.48

Finding the Fourth Proportional to 31,236.72, 43,107.28 and 17,090.48

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Solution

The fourth proportional to 31,236.72, 43,107.28 and 17,090.48 is: 23,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.72 : 43,107.28 = 17,090.48 : x
  2. Step 2: Convert to fraction form
    31,236.72/43,107.28 = 17,090.48/x
  3. Step 3: Cross multiply
    31,236.72x = 43,107.28 × 17,090.48
  4. Step 4: Simplify right side
    31,236.72x = 736,724,106.69
  5. Step 5: Solve for x
    x = 736,724,106.69/31,236.72
  6. Step 6: Final answer
    x = 23,585.19

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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.