Home / 35,420.28-53,027.46-20,583.96

Finding the Fourth Proportional to 35,420.28, 53,027.46 and 20,583.96

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Solution

The fourth proportional to 35,420.28, 53,027.46 and 20,583.96 is: 30,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.28 : 53,027.46 = 20,583.96 : x
  2. Step 2: Convert to fraction form
    35,420.28/53,027.46 = 20,583.96/x
  3. Step 3: Cross multiply
    35,420.28x = 53,027.46 × 20,583.96
  4. Step 4: Simplify right side
    35,420.28x = 1,091,515,115.54
  5. Step 5: Solve for x
    x = 1,091,515,115.54/35,420.28
  6. Step 6: Final answer
    x = 30,816.11

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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.