Home / 40,811.94-61,211.79-19,459.26

Finding the Fourth Proportional to 40,811.94, 61,211.79 and 19,459.26

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Solution

The fourth proportional to 40,811.94, 61,211.79 and 19,459.26 is: 29,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,811.94 : 61,211.79 = 19,459.26 : x
  2. Step 2: Convert to fraction form
    40,811.94/61,211.79 = 19,459.26/x
  3. Step 3: Cross multiply
    40,811.94x = 61,211.79 × 19,459.26
  4. Step 4: Simplify right side
    40,811.94x = 1,191,136,136.68
  5. Step 5: Solve for x
    x = 1,191,136,136.68/40,811.94
  6. Step 6: Final answer
    x = 29,185.97

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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.