Home / 40,387.32-55,736.10-22,481.64

Finding the Fourth Proportional to 40,387.32, 55,736.10 and 22,481.64

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Solution

The fourth proportional to 40,387.32, 55,736.10 and 22,481.64 is: 31,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.32 : 55,736.10 = 22,481.64 : x
  2. Step 2: Convert to fraction form
    40,387.32/55,736.10 = 22,481.64/x
  3. Step 3: Cross multiply
    40,387.32x = 55,736.10 × 22,481.64
  4. Step 4: Simplify right side
    40,387.32x = 1,253,038,935.20
  5. Step 5: Solve for x
    x = 1,253,038,935.20/40,387.32
  6. Step 6: Final answer
    x = 31,025.55

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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.