Home / 34,436.75-51,663.32-18,657.54

Finding the Fourth Proportional to 34,436.75, 51,663.32 and 18,657.54

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Solution

The fourth proportional to 34,436.75, 51,663.32 and 18,657.54 is: 27,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,436.75 : 51,663.32 = 18,657.54 : x
  2. Step 2: Convert to fraction form
    34,436.75/51,663.32 = 18,657.54/x
  3. Step 3: Cross multiply
    34,436.75x = 51,663.32 × 18,657.54
  4. Step 4: Simplify right side
    34,436.75x = 963,910,436.11
  5. Step 5: Solve for x
    x = 963,910,436.11/34,436.75
  6. Step 6: Final answer
    x = 27,990.75

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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.