Home / 31,793.45-43,869.87-18,362.23

Finding the Fourth Proportional to 31,793.45, 43,869.87 and 18,362.23

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Solution

The fourth proportional to 31,793.45, 43,869.87 and 18,362.23 is: 25,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,793.45 : 43,869.87 = 18,362.23 : x
  2. Step 2: Convert to fraction form
    31,793.45/43,869.87 = 18,362.23/x
  3. Step 3: Cross multiply
    31,793.45x = 43,869.87 × 18,362.23
  4. Step 4: Simplify right side
    31,793.45x = 805,548,643.01
  5. Step 5: Solve for x
    x = 805,548,643.01/31,793.45
  6. Step 6: Final answer
    x = 25,336.94

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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.