Home / 48,288.25-66,659.61-30,409.53

Finding the Fourth Proportional to 48,288.25, 66,659.61 and 30,409.53

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Solution

The fourth proportional to 48,288.25, 66,659.61 and 30,409.53 is: 41,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,288.25 : 66,659.61 = 30,409.53 : x
  2. Step 2: Convert to fraction form
    48,288.25/66,659.61 = 30,409.53/x
  3. Step 3: Cross multiply
    48,288.25x = 66,659.61 × 30,409.53
  4. Step 4: Simplify right side
    48,288.25x = 2,027,087,410.08
  5. Step 5: Solve for x
    x = 2,027,087,410.08/48,288.25
  6. Step 6: Final answer
    x = 41,978.90

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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.