Home / 35,350.25-53,022.60-20,549.72

Finding the Fourth Proportional to 35,350.25, 53,022.60 and 20,549.72

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Solution

The fourth proportional to 35,350.25, 53,022.60 and 20,549.72 is: 30,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,350.25 : 53,022.60 = 20,549.72 : x
  2. Step 2: Convert to fraction form
    35,350.25/53,022.60 = 20,549.72/x
  3. Step 3: Cross multiply
    35,350.25x = 53,022.60 × 20,549.72
  4. Step 4: Simplify right side
    35,350.25x = 1,089,599,318.56
  5. Step 5: Solve for x
    x = 1,089,599,318.56/35,350.25
  6. Step 6: Final answer
    x = 30,822.96

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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.