Home / 47,920.96-71,890.48-18,336.32

Finding the Fourth Proportional to 47,920.96, 71,890.48 and 18,336.32

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Solution

The fourth proportional to 47,920.96, 71,890.48 and 18,336.32 is: 27,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920.96 : 71,890.48 = 18,336.32 : x
  2. Step 2: Convert to fraction form
    47,920.96/71,890.48 = 18,336.32/x
  3. Step 3: Cross multiply
    47,920.96x = 71,890.48 × 18,336.32
  4. Step 4: Simplify right side
    47,920.96x = 1,318,206,846.23
  5. Step 5: Solve for x
    x = 1,318,206,846.23/47,920.96
  6. Step 6: Final answer
    x = 27,507.94

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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.