Home / 47,618.85-71,438.27-18,036.03

Finding the Fourth Proportional to 47,618.85, 71,438.27 and 18,036.03

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Solution

The fourth proportional to 47,618.85, 71,438.27 and 18,036.03 is: 27,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,618.85 : 71,438.27 = 18,036.03 : x
  2. Step 2: Convert to fraction form
    47,618.85/71,438.27 = 18,036.03/x
  3. Step 3: Cross multiply
    47,618.85x = 71,438.27 × 18,036.03
  4. Step 4: Simplify right side
    47,618.85x = 1,288,462,690.69
  5. Step 5: Solve for x
    x = 1,288,462,690.69/47,618.85
  6. Step 6: Final answer
    x = 27,057.83

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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.