Home / 47,771.69-71,657.43-12,711.34

Finding the Fourth Proportional to 47,771.69, 71,657.43 and 12,711.34

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Solution

The fourth proportional to 47,771.69, 71,657.43 and 12,711.34 is: 19,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.69 : 71,657.43 = 12,711.34 : x
  2. Step 2: Convert to fraction form
    47,771.69/71,657.43 = 12,711.34/x
  3. Step 3: Cross multiply
    47,771.69x = 71,657.43 × 12,711.34
  4. Step 4: Simplify right side
    47,771.69x = 910,861,998.16
  5. Step 5: Solve for x
    x = 910,861,998.16/47,771.69
  6. Step 6: Final answer
    x = 19,066.98

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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.