Home / 50,136.81-69,182.21-29,986.34

Finding the Fourth Proportional to 50,136.81, 69,182.21 and 29,986.34

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Solution

The fourth proportional to 50,136.81, 69,182.21 and 29,986.34 is: 41,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.81 : 69,182.21 = 29,986.34 : x
  2. Step 2: Convert to fraction form
    50,136.81/69,182.21 = 29,986.34/x
  3. Step 3: Cross multiply
    50,136.81x = 69,182.21 × 29,986.34
  4. Step 4: Simplify right side
    50,136.81x = 2,074,521,121.08
  5. Step 5: Solve for x
    x = 2,074,521,121.08/50,136.81
  6. Step 6: Final answer
    x = 41,377.21

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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.