Home / 40,909.75-61,357.77-11,330.57

Finding the Fourth Proportional to 40,909.75, 61,357.77 and 11,330.57

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Solution

The fourth proportional to 40,909.75, 61,357.77 and 11,330.57 is: 16,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,909.75 : 61,357.77 = 11,330.57 : x
  2. Step 2: Convert to fraction form
    40,909.75/61,357.77 = 11,330.57/x
  3. Step 3: Cross multiply
    40,909.75x = 61,357.77 × 11,330.57
  4. Step 4: Simplify right side
    40,909.75x = 695,218,661.42
  5. Step 5: Solve for x
    x = 695,218,661.42/40,909.75
  6. Step 6: Final answer
    x = 16,993.96

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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.