Home / 31,863.55-43,975.05-18,252.68

Finding the Fourth Proportional to 31,863.55, 43,975.05 and 18,252.68

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Solution

The fourth proportional to 31,863.55, 43,975.05 and 18,252.68 is: 25,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863.55 : 43,975.05 = 18,252.68 : x
  2. Step 2: Convert to fraction form
    31,863.55/43,975.05 = 18,252.68/x
  3. Step 3: Cross multiply
    31,863.55x = 43,975.05 × 18,252.68
  4. Step 4: Simplify right side
    31,863.55x = 802,662,295.76
  5. Step 5: Solve for x
    x = 802,662,295.76/31,863.55
  6. Step 6: Final answer
    x = 25,190.62

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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.