Home / 47,071.54-64,934.71-30,057.90

Finding the Fourth Proportional to 47,071.54, 64,934.71 and 30,057.90

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Solution

The fourth proportional to 47,071.54, 64,934.71 and 30,057.90 is: 41,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,071.54 : 64,934.71 = 30,057.90 : x
  2. Step 2: Convert to fraction form
    47,071.54/64,934.71 = 30,057.90/x
  3. Step 3: Cross multiply
    47,071.54x = 64,934.71 × 30,057.90
  4. Step 4: Simplify right side
    47,071.54x = 1,951,800,544.75
  5. Step 5: Solve for x
    x = 1,951,800,544.75/47,071.54
  6. Step 6: Final answer
    x = 41,464.56

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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.