Home / 35,864.20-53,796.30-30,161.80

Finding the Fourth Proportional to 35,864.20, 53,796.30 and 30,161.80

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Solution

The fourth proportional to 35,864.20, 53,796.30 and 30,161.80 is: 45,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,864.20 : 53,796.30 = 30,161.80 : x
  2. Step 2: Convert to fraction form
    35,864.20/53,796.30 = 30,161.80/x
  3. Step 3: Cross multiply
    35,864.20x = 53,796.30 × 30,161.80
  4. Step 4: Simplify right side
    35,864.20x = 1,622,593,241.34
  5. Step 5: Solve for x
    x = 1,622,593,241.34/35,864.20
  6. Step 6: Final answer
    x = 45,242.70

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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.