Home / 72,247.14-108,351.54-19,644.39

Finding the Fourth Proportional to 72,247.14, 108,351.54 and 19,644.39

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Solution

The fourth proportional to 72,247.14, 108,351.54 and 19,644.39 is: 29,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,247.14 : 108,351.54 = 19,644.39 : x
  2. Step 2: Convert to fraction form
    72,247.14/108,351.54 = 19,644.39/x
  3. Step 3: Cross multiply
    72,247.14x = 108,351.54 × 19,644.39
  4. Step 4: Simplify right side
    72,247.14x = 2,128,499,908.86
  5. Step 5: Solve for x
    x = 2,128,499,908.86/72,247.14
  6. Step 6: Final answer
    x = 29,461.37

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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.