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Finding the Fourth Proportional to 36,683.01, 55,028.16 and 13,311.27

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Solution

The fourth proportional to 36,683.01, 55,028.16 and 13,311.27 is: 19,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.01 : 55,028.16 = 13,311.27 : x
  2. Step 2: Convert to fraction form
    36,683.01/55,028.16 = 13,311.27/x
  3. Step 3: Cross multiply
    36,683.01x = 55,028.16 × 13,311.27
  4. Step 4: Simplify right side
    36,683.01x = 732,494,695.36
  5. Step 5: Solve for x
    x = 732,494,695.36/36,683.01
  6. Step 6: Final answer
    x = 19,968.23

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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.