Home / 31,880.28-44,022.78-19,963.92

Finding the Fourth Proportional to 31,880.28, 44,022.78 and 19,963.92

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Solution

The fourth proportional to 31,880.28, 44,022.78 and 19,963.92 is: 27,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.28 : 44,022.78 = 19,963.92 : x
  2. Step 2: Convert to fraction form
    31,880.28/44,022.78 = 19,963.92/x
  3. Step 3: Cross multiply
    31,880.28x = 44,022.78 × 19,963.92
  4. Step 4: Simplify right side
    31,880.28x = 878,867,258.10
  5. Step 5: Solve for x
    x = 878,867,258.10/31,880.28
  6. Step 6: Final answer
    x = 27,567.74

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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.