Home / 36,136.08-49,865.47-20,220.39

Finding the Fourth Proportional to 36,136.08, 49,865.47 and 20,220.39

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Solution

The fourth proportional to 36,136.08, 49,865.47 and 20,220.39 is: 27,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.08 : 49,865.47 = 20,220.39 : x
  2. Step 2: Convert to fraction form
    36,136.08/49,865.47 = 20,220.39/x
  3. Step 3: Cross multiply
    36,136.08x = 49,865.47 × 20,220.39
  4. Step 4: Simplify right side
    36,136.08x = 1,008,299,200.38
  5. Step 5: Solve for x
    x = 1,008,299,200.38/36,136.08
  6. Step 6: Final answer
    x = 27,902.84

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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.