Home / 47,945.60-66,121.84-30,042.52

Finding the Fourth Proportional to 47,945.60, 66,121.84 and 30,042.52

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Solution

The fourth proportional to 47,945.60, 66,121.84 and 30,042.52 is: 41,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.60 : 66,121.84 = 30,042.52 : x
  2. Step 2: Convert to fraction form
    47,945.60/66,121.84 = 30,042.52/x
  3. Step 3: Cross multiply
    47,945.60x = 66,121.84 × 30,042.52
  4. Step 4: Simplify right side
    47,945.60x = 1,986,466,700.64
  5. Step 5: Solve for x
    x = 1,986,466,700.64/47,945.60
  6. Step 6: Final answer
    x = 41,431.68

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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.