Home / 47,756.70-71,634.96-12,696.36

Finding the Fourth Proportional to 47,756.70, 71,634.96 and 12,696.36

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Solution

The fourth proportional to 47,756.70, 71,634.96 and 12,696.36 is: 19,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,756.70 : 71,634.96 = 12,696.36 : x
  2. Step 2: Convert to fraction form
    47,756.70/71,634.96 = 12,696.36/x
  3. Step 3: Cross multiply
    47,756.70x = 71,634.96 × 12,696.36
  4. Step 4: Simplify right side
    47,756.70x = 909,503,240.75
  5. Step 5: Solve for x
    x = 909,503,240.75/47,756.70
  6. Step 6: Final answer
    x = 19,044.52

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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.