Home / 47,713.44-71,575.04-12,653.12

Finding the Fourth Proportional to 47,713.44, 71,575.04 and 12,653.12

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Solution

The fourth proportional to 47,713.44, 71,575.04 and 12,653.12 is: 18,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.44 : 71,575.04 = 12,653.12 : x
  2. Step 2: Convert to fraction form
    47,713.44/71,575.04 = 12,653.12/x
  3. Step 3: Cross multiply
    47,713.44x = 71,575.04 × 12,653.12
  4. Step 4: Simplify right side
    47,713.44x = 905,647,570.12
  5. Step 5: Solve for x
    x = 905,647,570.12/47,713.44
  6. Step 6: Final answer
    x = 18,980.97

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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.