Home / 36,583.88-54,870.20-11,620.70

Finding the Fourth Proportional to 36,583.88, 54,870.20 and 11,620.70

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Solution

The fourth proportional to 36,583.88, 54,870.20 and 11,620.70 is: 17,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,583.88 : 54,870.20 = 11,620.70 : x
  2. Step 2: Convert to fraction form
    36,583.88/54,870.20 = 11,620.70/x
  3. Step 3: Cross multiply
    36,583.88x = 54,870.20 × 11,620.70
  4. Step 4: Simplify right side
    36,583.88x = 637,630,133.14
  5. Step 5: Solve for x
    x = 637,630,133.14/36,583.88
  6. Step 6: Final answer
    x = 17,429.26

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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.