Home / 31,815.40-43,910.04-22,892.44

Finding the Fourth Proportional to 31,815.40, 43,910.04 and 22,892.44

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Solution

The fourth proportional to 31,815.40, 43,910.04 and 22,892.44 is: 31,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815.40 : 43,910.04 = 22,892.44 : x
  2. Step 2: Convert to fraction form
    31,815.40/43,910.04 = 22,892.44/x
  3. Step 3: Cross multiply
    31,815.40x = 43,910.04 × 22,892.44
  4. Step 4: Simplify right side
    31,815.40x = 1,005,207,956.10
  5. Step 5: Solve for x
    x = 1,005,207,956.10/31,815.40
  6. Step 6: Final answer
    x = 31,595.01

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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.