Home / 31,738.11-43,797.06-18,313.71

Finding the Fourth Proportional to 31,738.11, 43,797.06 and 18,313.71

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Solution

The fourth proportional to 31,738.11, 43,797.06 and 18,313.71 is: 25,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.11 : 43,797.06 = 18,313.71 : x
  2. Step 2: Convert to fraction form
    31,738.11/43,797.06 = 18,313.71/x
  3. Step 3: Cross multiply
    31,738.11x = 43,797.06 × 18,313.71
  4. Step 4: Simplify right side
    31,738.11x = 802,086,655.69
  5. Step 5: Solve for x
    x = 802,086,655.69/31,738.11
  6. Step 6: Final answer
    x = 25,272.04

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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.