Home / 31,297.49-43,198.52-19,353.84

Finding the Fourth Proportional to 31,297.49, 43,198.52 and 19,353.84

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Solution

The fourth proportional to 31,297.49, 43,198.52 and 19,353.84 is: 26,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.49 : 43,198.52 = 19,353.84 : x
  2. Step 2: Convert to fraction form
    31,297.49/43,198.52 = 19,353.84/x
  3. Step 3: Cross multiply
    31,297.49x = 43,198.52 × 19,353.84
  4. Step 4: Simplify right side
    31,297.49x = 836,056,985.55
  5. Step 5: Solve for x
    x = 836,056,985.55/31,297.49
  6. Step 6: Final answer
    x = 26,713.23

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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.