Home / 40,268.78-55,571.24-22,364.08

Finding the Fourth Proportional to 40,268.78, 55,571.24 and 22,364.08

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Solution

The fourth proportional to 40,268.78, 55,571.24 and 22,364.08 is: 30,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.78 : 55,571.24 = 22,364.08 : x
  2. Step 2: Convert to fraction form
    40,268.78/55,571.24 = 22,364.08/x
  3. Step 3: Cross multiply
    40,268.78x = 55,571.24 × 22,364.08
  4. Step 4: Simplify right side
    40,268.78x = 1,242,799,657.06
  5. Step 5: Solve for x
    x = 1,242,799,657.06/40,268.78
  6. Step 6: Final answer
    x = 30,862.61

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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.