Home / 36,764.72-55,148.16-13,408.64

Finding the Fourth Proportional to 36,764.72, 55,148.16 and 13,408.64

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Solution

The fourth proportional to 36,764.72, 55,148.16 and 13,408.64 is: 20,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,764.72 : 55,148.16 = 13,408.64 : x
  2. Step 2: Convert to fraction form
    36,764.72/55,148.16 = 13,408.64/x
  3. Step 3: Cross multiply
    36,764.72x = 55,148.16 × 13,408.64
  4. Step 4: Simplify right side
    36,764.72x = 739,461,824.10
  5. Step 5: Solve for x
    x = 739,461,824.10/36,764.72
  6. Step 6: Final answer
    x = 20,113.35

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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.