Home / 47,971.20-66,182.76-30,066.96

Finding the Fourth Proportional to 47,971.20, 66,182.76 and 30,066.96

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Solution

The fourth proportional to 47,971.20, 66,182.76 and 30,066.96 is: 41,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.20 : 66,182.76 = 30,066.96 : x
  2. Step 2: Convert to fraction form
    47,971.20/66,182.76 = 30,066.96/x
  3. Step 3: Cross multiply
    47,971.20x = 66,182.76 × 30,066.96
  4. Step 4: Simplify right side
    47,971.20x = 1,989,914,397.61
  5. Step 5: Solve for x
    x = 1,989,914,397.61/47,971.20
  6. Step 6: Final answer
    x = 41,481.44

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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.