Home / 40,486.80-55,871.87-22,581.35

Finding the Fourth Proportional to 40,486.80, 55,871.87 and 22,581.35

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Solution

The fourth proportional to 40,486.80, 55,871.87 and 22,581.35 is: 31,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.80 : 55,871.87 = 22,581.35 : x
  2. Step 2: Convert to fraction form
    40,486.80/55,871.87 = 22,581.35/x
  3. Step 3: Cross multiply
    40,486.80x = 55,871.87 × 22,581.35
  4. Step 4: Simplify right side
    40,486.80x = 1,261,662,251.62
  5. Step 5: Solve for x
    x = 1,261,662,251.62/40,486.80
  6. Step 6: Final answer
    x = 31,162.31

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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.