Home / 36,529.80-54,816.30-13,153.20

Finding the Fourth Proportional to 36,529.80, 54,816.30 and 13,153.20

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Solution

The fourth proportional to 36,529.80, 54,816.30 and 13,153.20 is: 19,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,529.80 : 54,816.30 = 13,153.20 : x
  2. Step 2: Convert to fraction form
    36,529.80/54,816.30 = 13,153.20/x
  3. Step 3: Cross multiply
    36,529.80x = 54,816.30 × 13,153.20
  4. Step 4: Simplify right side
    36,529.80x = 721,009,757.16
  5. Step 5: Solve for x
    x = 721,009,757.16/36,529.80
  6. Step 6: Final answer
    x = 19,737.58

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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.