Home / 47,713.87-71,570.82-12,656.27

Finding the Fourth Proportional to 47,713.87, 71,570.82 and 12,656.27

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Solution

The fourth proportional to 47,713.87, 71,570.82 and 12,656.27 is: 18,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.87 : 71,570.82 = 12,656.27 : x
  2. Step 2: Convert to fraction form
    47,713.87/71,570.82 = 12,656.27/x
  3. Step 3: Cross multiply
    47,713.87x = 71,570.82 × 12,656.27
  4. Step 4: Simplify right side
    47,713.87x = 905,819,558.76
  5. Step 5: Solve for x
    x = 905,819,558.76/47,713.87
  6. Step 6: Final answer
    x = 18,984.41

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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.