Home / 43,249.42-64,868.55-13,670.25

Finding the Fourth Proportional to 43,249.42, 64,868.55 and 13,670.25

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Solution

The fourth proportional to 43,249.42, 64,868.55 and 13,670.25 is: 20,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,249.42 : 64,868.55 = 13,670.25 : x
  2. Step 2: Convert to fraction form
    43,249.42/64,868.55 = 13,670.25/x
  3. Step 3: Cross multiply
    43,249.42x = 64,868.55 × 13,670.25
  4. Step 4: Simplify right side
    43,249.42x = 886,769,295.64
  5. Step 5: Solve for x
    x = 886,769,295.64/43,249.42
  6. Step 6: Final answer
    x = 20,503.61

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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.