Home / 47,945.54-66,121.88-30,042.51

Finding the Fourth Proportional to 47,945.54, 66,121.88 and 30,042.51

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Solution

The fourth proportional to 47,945.54, 66,121.88 and 30,042.51 is: 41,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.54 : 66,121.88 = 30,042.51 : x
  2. Step 2: Convert to fraction form
    47,945.54/66,121.88 = 30,042.51/x
  3. Step 3: Cross multiply
    47,945.54x = 66,121.88 × 30,042.51
  4. Step 4: Simplify right side
    47,945.54x = 1,986,467,090.91
  5. Step 5: Solve for x
    x = 1,986,467,090.91/47,945.54
  6. Step 6: Final answer
    x = 41,431.74

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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.