Home / 47,942.52-66,191.49-30,954.39

Finding the Fourth Proportional to 47,942.52, 66,191.49 and 30,954.39

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Solution

The fourth proportional to 47,942.52, 66,191.49 and 30,954.39 is: 42,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.52 : 66,191.49 = 30,954.39 : x
  2. Step 2: Convert to fraction form
    47,942.52/66,191.49 = 30,954.39/x
  3. Step 3: Cross multiply
    47,942.52x = 66,191.49 × 30,954.39
  4. Step 4: Simplify right side
    47,942.52x = 2,048,917,196.14
  5. Step 5: Solve for x
    x = 2,048,917,196.14/47,942.52
  6. Step 6: Final answer
    x = 42,736.95

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1.5x scale

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.