Home / 45,579.32-68,226.60-28,958.12

Finding the Fourth Proportional to 45,579.32, 68,226.60 and 28,958.12

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Solution

The fourth proportional to 45,579.32, 68,226.60 and 28,958.12 is: 43,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,579.32 : 68,226.60 = 28,958.12 : x
  2. Step 2: Convert to fraction form
    45,579.32/68,226.60 = 28,958.12/x
  3. Step 3: Cross multiply
    45,579.32x = 68,226.60 × 28,958.12
  4. Step 4: Simplify right side
    45,579.32x = 1,975,714,069.99
  5. Step 5: Solve for x
    x = 1,975,714,069.99/45,579.32
  6. Step 6: Final answer
    x = 43,346.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.