Home / 47,420.78-71,146.36-33,204.06

Finding the Fourth Proportional to 47,420.78, 71,146.36 and 33,204.06

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Solution

The fourth proportional to 47,420.78, 71,146.36 and 33,204.06 is: 49,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,420.78 : 71,146.36 = 33,204.06 : x
  2. Step 2: Convert to fraction form
    47,420.78/71,146.36 = 33,204.06/x
  3. Step 3: Cross multiply
    47,420.78x = 71,146.36 × 33,204.06
  4. Step 4: Simplify right side
    47,420.78x = 2,362,348,006.22
  5. Step 5: Solve for x
    x = 2,362,348,006.22/47,420.78
  6. Step 6: Final answer
    x = 49,816.73

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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.