Home / 55,507.08-76,599.84-30,356.64

Finding the Fourth Proportional to 55,507.08, 76,599.84 and 30,356.64

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Solution

The fourth proportional to 55,507.08, 76,599.84 and 30,356.64 is: 41,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507.08 : 76,599.84 = 30,356.64 : x
  2. Step 2: Convert to fraction form
    55,507.08/76,599.84 = 30,356.64/x
  3. Step 3: Cross multiply
    55,507.08x = 76,599.84 × 30,356.64
  4. Step 4: Simplify right side
    55,507.08x = 2,325,313,766.94
  5. Step 5: Solve for x
    x = 2,325,313,766.94/55,507.08
  6. Step 6: Final answer
    x = 41,892.20

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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.