Home / 31,797.24-43,878.12-19,859.88

Finding the Fourth Proportional to 31,797.24, 43,878.12 and 19,859.88

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Solution

The fourth proportional to 31,797.24, 43,878.12 and 19,859.88 is: 27,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,797.24 : 43,878.12 = 19,859.88 : x
  2. Step 2: Convert to fraction form
    31,797.24/43,878.12 = 19,859.88/x
  3. Step 3: Cross multiply
    31,797.24x = 43,878.12 × 19,859.88
  4. Step 4: Simplify right side
    31,797.24x = 871,414,197.83
  5. Step 5: Solve for x
    x = 871,414,197.83/31,797.24
  6. Step 6: Final answer
    x = 27,405.34

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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.