Home / 47,236.82-70,836.99-19,149.86

Finding the Fourth Proportional to 47,236.82, 70,836.99 and 19,149.86

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Solution

The fourth proportional to 47,236.82, 70,836.99 and 19,149.86 is: 28,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236.82 : 70,836.99 = 19,149.86 : x
  2. Step 2: Convert to fraction form
    47,236.82/70,836.99 = 19,149.86/x
  3. Step 3: Cross multiply
    47,236.82x = 70,836.99 × 19,149.86
  4. Step 4: Simplify right side
    47,236.82x = 1,356,518,441.32
  5. Step 5: Solve for x
    x = 1,356,518,441.32/47,236.82
  6. Step 6: Final answer
    x = 28,717.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.