Home / 36,521.01-54,748.62-13,131

Finding the Fourth Proportional to 36,521.01, 54,748.62 and 13,131

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Solution

The fourth proportional to 36,521.01, 54,748.62 and 13,131 is: 19,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,521.01 : 54,748.62 = 13,131 : x
  2. Step 2: Convert to fraction form
    36,521.01/54,748.62 = 13,131/x
  3. Step 3: Cross multiply
    36,521.01x = 54,748.62 × 13,131
  4. Step 4: Simplify right side
    36,521.01x = 718,904,129.22
  5. Step 5: Solve for x
    x = 718,904,129.22/36,521.01
  6. Step 6: Final answer
    x = 19,684.67

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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.