Home / 35,906.49-49,553.11-20,803.90

Finding the Fourth Proportional to 35,906.49, 49,553.11 and 20,803.90

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Solution

The fourth proportional to 35,906.49, 49,553.11 and 20,803.90 is: 28,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.49 : 49,553.11 = 20,803.90 : x
  2. Step 2: Convert to fraction form
    35,906.49/49,553.11 = 20,803.90/x
  3. Step 3: Cross multiply
    35,906.49x = 49,553.11 × 20,803.90
  4. Step 4: Simplify right side
    35,906.49x = 1,030,897,945.13
  5. Step 5: Solve for x
    x = 1,030,897,945.13/35,906.49
  6. Step 6: Final answer
    x = 28,710.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.