Home / 43,492.85-65,249.50-13,505.56

Finding the Fourth Proportional to 43,492.85, 65,249.50 and 13,505.56

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Solution

The fourth proportional to 43,492.85, 65,249.50 and 13,505.56 is: 20,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.85 : 65,249.50 = 13,505.56 : x
  2. Step 2: Convert to fraction form
    43,492.85/65,249.50 = 13,505.56/x
  3. Step 3: Cross multiply
    43,492.85x = 65,249.50 × 13,505.56
  4. Step 4: Simplify right side
    43,492.85x = 881,230,840.33
  5. Step 5: Solve for x
    x = 881,230,840.33/43,492.85
  6. Step 6: Final answer
    x = 20,261.51

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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.