Home / 36,404.83-54,607.29-20,811.52

Finding the Fourth Proportional to 36,404.83, 54,607.29 and 20,811.52

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Solution

The fourth proportional to 36,404.83, 54,607.29 and 20,811.52 is: 31,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,404.83 : 54,607.29 = 20,811.52 : x
  2. Step 2: Convert to fraction form
    36,404.83/54,607.29 = 20,811.52/x
  3. Step 3: Cross multiply
    36,404.83x = 54,607.29 × 20,811.52
  4. Step 4: Simplify right side
    36,404.83x = 1,136,460,707.98
  5. Step 5: Solve for x
    x = 1,136,460,707.98/36,404.83
  6. Step 6: Final answer
    x = 31,217.31

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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.