Home / 72,731.89-109,097.85-22,816.36

Finding the Fourth Proportional to 72,731.89, 109,097.85 and 22,816.36

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Solution

The fourth proportional to 72,731.89, 109,097.85 and 22,816.36 is: 34,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,731.89 : 109,097.85 = 22,816.36 : x
  2. Step 2: Convert to fraction form
    72,731.89/109,097.85 = 22,816.36/x
  3. Step 3: Cross multiply
    72,731.89x = 109,097.85 × 22,816.36
  4. Step 4: Simplify right side
    72,731.89x = 2,489,215,275.34
  5. Step 5: Solve for x
    x = 2,489,215,275.34/72,731.89
  6. Step 6: Final answer
    x = 34,224.54

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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.