Home / 40,355.22-55,689.94-22,207.05

Finding the Fourth Proportional to 40,355.22, 55,689.94 and 22,207.05

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Solution

The fourth proportional to 40,355.22, 55,689.94 and 22,207.05 is: 30,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,355.22 : 55,689.94 = 22,207.05 : x
  2. Step 2: Convert to fraction form
    40,355.22/55,689.94 = 22,207.05/x
  3. Step 3: Cross multiply
    40,355.22x = 55,689.94 × 22,207.05
  4. Step 4: Simplify right side
    40,355.22x = 1,236,709,282.08
  5. Step 5: Solve for x
    x = 1,236,709,282.08/40,355.22
  6. Step 6: Final answer
    x = 30,645.58

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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.