Home / 50,715.36-76,092.48-21,125.34

Finding the Fourth Proportional to 50,715.36, 76,092.48 and 21,125.34

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Solution

The fourth proportional to 50,715.36, 76,092.48 and 21,125.34 is: 31,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,715.36 : 76,092.48 = 21,125.34 : x
  2. Step 2: Convert to fraction form
    50,715.36/76,092.48 = 21,125.34/x
  3. Step 3: Cross multiply
    50,715.36x = 76,092.48 × 21,125.34
  4. Step 4: Simplify right side
    50,715.36x = 1,607,479,511.44
  5. Step 5: Solve for x
    x = 1,607,479,511.44/50,715.36
  6. Step 6: Final answer
    x = 31,696.11

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1.5x scale

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.