Home / 31,308.06-43,206.89-18,568.79

Finding the Fourth Proportional to 31,308.06, 43,206.89 and 18,568.79

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Solution

The fourth proportional to 31,308.06, 43,206.89 and 18,568.79 is: 25,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.06 : 43,206.89 = 18,568.79 : x
  2. Step 2: Convert to fraction form
    31,308.06/43,206.89 = 18,568.79/x
  3. Step 3: Cross multiply
    31,308.06x = 43,206.89 × 18,568.79
  4. Step 4: Simplify right side
    31,308.06x = 802,299,497.35
  5. Step 5: Solve for x
    x = 802,299,497.35/31,308.06
  6. Step 6: Final answer
    x = 25,625.97

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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.