Home / 51,991.42-71,756.99-29,336.83

Finding the Fourth Proportional to 51,991.42, 71,756.99 and 29,336.83

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Solution

The fourth proportional to 51,991.42, 71,756.99 and 29,336.83 is: 40,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991.42 : 71,756.99 = 29,336.83 : x
  2. Step 2: Convert to fraction form
    51,991.42/71,756.99 = 29,336.83/x
  3. Step 3: Cross multiply
    51,991.42x = 71,756.99 × 29,336.83
  4. Step 4: Simplify right side
    51,991.42x = 2,105,122,804.51
  5. Step 5: Solve for x
    x = 2,105,122,804.51/51,991.42
  6. Step 6: Final answer
    x = 40,489.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.