Home / 50,639.40-69,884.10-31,786.92

Finding the Fourth Proportional to 50,639.40, 69,884.10 and 31,786.92

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Solution

The fourth proportional to 50,639.40, 69,884.10 and 31,786.92 is: 43,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.40 : 69,884.10 = 31,786.92 : x
  2. Step 2: Convert to fraction form
    50,639.40/69,884.10 = 31,786.92/x
  3. Step 3: Cross multiply
    50,639.40x = 69,884.10 × 31,786.92
  4. Step 4: Simplify right side
    50,639.40x = 2,221,400,295.97
  5. Step 5: Solve for x
    x = 2,221,400,295.97/50,639.40
  6. Step 6: Final answer
    x = 43,867.03

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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.