Home / 47,942.28-66,066.84-34,489.80

Finding the Fourth Proportional to 47,942.28, 66,066.84 and 34,489.80

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Solution

The fourth proportional to 47,942.28, 66,066.84 and 34,489.80 is: 47,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.28 : 66,066.84 = 34,489.80 : x
  2. Step 2: Convert to fraction form
    47,942.28/66,066.84 = 34,489.80/x
  3. Step 3: Cross multiply
    47,942.28x = 66,066.84 × 34,489.80
  4. Step 4: Simplify right side
    47,942.28x = 2,278,632,098.23
  5. Step 5: Solve for x
    x = 2,278,632,098.23/47,942.28
  6. Step 6: Final answer
    x = 47,528.66

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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.