Home / 45,917.30-68,744.55-28,268.30

Finding the Fourth Proportional to 45,917.30, 68,744.55 and 28,268.30

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Solution

The fourth proportional to 45,917.30, 68,744.55 and 28,268.30 is: 42,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,917.30 : 68,744.55 = 28,268.30 : x
  2. Step 2: Convert to fraction form
    45,917.30/68,744.55 = 28,268.30/x
  3. Step 3: Cross multiply
    45,917.30x = 68,744.55 × 28,268.30
  4. Step 4: Simplify right side
    45,917.30x = 1,943,291,562.77
  5. Step 5: Solve for x
    x = 1,943,291,562.77/45,917.30
  6. Step 6: Final answer
    x = 42,321.56

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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.