Home / 47,976.88-66,313.20-42,268

Finding the Fourth Proportional to 47,976.88, 66,313.20 and 42,268

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Solution

The fourth proportional to 47,976.88, 66,313.20 and 42,268 is: 58,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,976.88 : 66,313.20 = 42,268 : x
  2. Step 2: Convert to fraction form
    47,976.88/66,313.20 = 42,268/x
  3. Step 3: Cross multiply
    47,976.88x = 66,313.20 × 42,268
  4. Step 4: Simplify right side
    47,976.88x = 2,802,926,337.60
  5. Step 5: Solve for x
    x = 2,802,926,337.60/47,976.88
  6. Step 6: Final answer
    x = 58,422.44

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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.