Home / 36,595.80-54,896.40-13,219.20

Finding the Fourth Proportional to 36,595.80, 54,896.40 and 13,219.20

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Solution

The fourth proportional to 36,595.80, 54,896.40 and 13,219.20 is: 19,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,595.80 : 54,896.40 = 13,219.20 : x
  2. Step 2: Convert to fraction form
    36,595.80/54,896.40 = 13,219.20/x
  3. Step 3: Cross multiply
    36,595.80x = 54,896.40 × 13,219.20
  4. Step 4: Simplify right side
    36,595.80x = 725,686,490.88
  5. Step 5: Solve for x
    x = 725,686,490.88/36,595.80
  6. Step 6: Final answer
    x = 19,829.78

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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.