Home / 50,136.59-75,204.99-20,549.12

Finding the Fourth Proportional to 50,136.59, 75,204.99 and 20,549.12

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Solution

The fourth proportional to 50,136.59, 75,204.99 and 20,549.12 is: 30,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.59 : 75,204.99 = 20,549.12 : x
  2. Step 2: Convert to fraction form
    50,136.59/75,204.99 = 20,549.12/x
  3. Step 3: Cross multiply
    50,136.59x = 75,204.99 × 20,549.12
  4. Step 4: Simplify right side
    50,136.59x = 1,545,395,988.08
  5. Step 5: Solve for x
    x = 1,545,395,988.08/50,136.59
  6. Step 6: Final answer
    x = 30,823.71

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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.