Home / 40,356.30-55,686.66-22,449

Finding the Fourth Proportional to 40,356.30, 55,686.66 and 22,449

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Solution

The fourth proportional to 40,356.30, 55,686.66 and 22,449 is: 30,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,356.30 : 55,686.66 = 22,449 : x
  2. Step 2: Convert to fraction form
    40,356.30/55,686.66 = 22,449/x
  3. Step 3: Cross multiply
    40,356.30x = 55,686.66 × 22,449
  4. Step 4: Simplify right side
    40,356.30x = 1,250,109,830.34
  5. Step 5: Solve for x
    x = 1,250,109,830.34/40,356.30
  6. Step 6: Final answer
    x = 30,976.82

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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.