Home / 35,361.28-53,052.18-20,542.96

Finding the Fourth Proportional to 35,361.28, 53,052.18 and 20,542.96

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Solution

The fourth proportional to 35,361.28, 53,052.18 and 20,542.96 is: 30,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,361.28 : 53,052.18 = 20,542.96 : x
  2. Step 2: Convert to fraction form
    35,361.28/53,052.18 = 20,542.96/x
  3. Step 3: Cross multiply
    35,361.28x = 53,052.18 × 20,542.96
  4. Step 4: Simplify right side
    35,361.28x = 1,089,848,811.65
  5. Step 5: Solve for x
    x = 1,089,848,811.65/35,361.28
  6. Step 6: Final answer
    x = 30,820.40

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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.