Home / 36,136.76-49,871.80-20,224.28

Finding the Fourth Proportional to 36,136.76, 49,871.80 and 20,224.28

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Solution

The fourth proportional to 36,136.76, 49,871.80 and 20,224.28 is: 27,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.76 : 49,871.80 = 20,224.28 : x
  2. Step 2: Convert to fraction form
    36,136.76/49,871.80 = 20,224.28/x
  3. Step 3: Cross multiply
    36,136.76x = 49,871.80 × 20,224.28
  4. Step 4: Simplify right side
    36,136.76x = 1,008,621,397.26
  5. Step 5: Solve for x
    x = 1,008,621,397.26/36,136.76
  6. Step 6: Final answer
    x = 27,911.23

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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.