Home / 31,163.20-43,008.60-19,226.23

Finding the Fourth Proportional to 31,163.20, 43,008.60 and 19,226.23

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Solution

The fourth proportional to 31,163.20, 43,008.60 and 19,226.23 is: 26,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163.20 : 43,008.60 = 19,226.23 : x
  2. Step 2: Convert to fraction form
    31,163.20/43,008.60 = 19,226.23/x
  3. Step 3: Cross multiply
    31,163.20x = 43,008.60 × 19,226.23
  4. Step 4: Simplify right side
    31,163.20x = 826,893,244.75
  5. Step 5: Solve for x
    x = 826,893,244.75/31,163.20
  6. Step 6: Final answer
    x = 26,534.29

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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.