Home / 40,115.98-55,355.70-22,208.14

Finding the Fourth Proportional to 40,115.98, 55,355.70 and 22,208.14

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Solution

The fourth proportional to 40,115.98, 55,355.70 and 22,208.14 is: 30,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.98 : 55,355.70 = 22,208.14 : x
  2. Step 2: Convert to fraction form
    40,115.98/55,355.70 = 22,208.14/x
  3. Step 3: Cross multiply
    40,115.98x = 55,355.70 × 22,208.14
  4. Step 4: Simplify right side
    40,115.98x = 1,229,347,135.40
  5. Step 5: Solve for x
    x = 1,229,347,135.40/40,115.98
  6. Step 6: Final answer
    x = 30,644.82

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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.