Home / 36,361.07-54,528.09-12,662.53

Finding the Fourth Proportional to 36,361.07, 54,528.09 and 12,662.53

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Solution

The fourth proportional to 36,361.07, 54,528.09 and 12,662.53 is: 18,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,361.07 : 54,528.09 = 12,662.53 : x
  2. Step 2: Convert to fraction form
    36,361.07/54,528.09 = 12,662.53/x
  3. Step 3: Cross multiply
    36,361.07x = 54,528.09 × 12,662.53
  4. Step 4: Simplify right side
    36,361.07x = 690,463,302.83
  5. Step 5: Solve for x
    x = 690,463,302.83/36,361.07
  6. Step 6: Final answer
    x = 18,989.08

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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.