Home / 31,236.79-43,107.11-17,089.33

Finding the Fourth Proportional to 31,236.79, 43,107.11 and 17,089.33

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Solution

The fourth proportional to 31,236.79, 43,107.11 and 17,089.33 is: 23,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.79 : 43,107.11 = 17,089.33 : x
  2. Step 2: Convert to fraction form
    31,236.79/43,107.11 = 17,089.33/x
  3. Step 3: Cross multiply
    31,236.79x = 43,107.11 × 17,089.33
  4. Step 4: Simplify right side
    31,236.79x = 736,671,628.14
  5. Step 5: Solve for x
    x = 736,671,628.14/31,236.79
  6. Step 6: Final answer
    x = 23,583.46

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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.