Home / 40,713.21-61,069.88-11,131.31

Finding the Fourth Proportional to 40,713.21, 61,069.88 and 11,131.31

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Solution

The fourth proportional to 40,713.21, 61,069.88 and 11,131.31 is: 16,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,713.21 : 61,069.88 = 11,131.31 : x
  2. Step 2: Convert to fraction form
    40,713.21/61,069.88 = 11,131.31/x
  3. Step 3: Cross multiply
    40,713.21x = 61,069.88 × 11,131.31
  4. Step 4: Simplify right side
    40,713.21x = 679,787,404.94
  5. Step 5: Solve for x
    x = 679,787,404.94/40,713.21
  6. Step 6: Final answer
    x = 16,696.97

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1.5x scale

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.