Home / 36,064.60-54,113.10-12,707.80

Finding the Fourth Proportional to 36,064.60, 54,113.10 and 12,707.80

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Solution

The fourth proportional to 36,064.60, 54,113.10 and 12,707.80 is: 19,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,064.60 : 54,113.10 = 12,707.80 : x
  2. Step 2: Convert to fraction form
    36,064.60/54,113.10 = 12,707.80/x
  3. Step 3: Cross multiply
    36,064.60x = 54,113.10 × 12,707.80
  4. Step 4: Simplify right side
    36,064.60x = 687,658,452.18
  5. Step 5: Solve for x
    x = 687,658,452.18/36,064.60
  6. Step 6: Final answer
    x = 19,067.41

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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.