Home / 31,313.07-43,212.04-17,165.61

Finding the Fourth Proportional to 31,313.07, 43,212.04 and 17,165.61

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Solution

The fourth proportional to 31,313.07, 43,212.04 and 17,165.61 is: 23,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.07 : 43,212.04 = 17,165.61 : x
  2. Step 2: Convert to fraction form
    31,313.07/43,212.04 = 17,165.61/x
  3. Step 3: Cross multiply
    31,313.07x = 43,212.04 × 17,165.61
  4. Step 4: Simplify right side
    31,313.07x = 741,761,025.94
  5. Step 5: Solve for x
    x = 741,761,025.94/31,313.07
  6. Step 6: Final answer
    x = 23,688.54

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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.