Home / 36,775.36-55,172.24-11,817.60

Finding the Fourth Proportional to 36,775.36, 55,172.24 and 11,817.60

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Solution

The fourth proportional to 36,775.36, 55,172.24 and 11,817.60 is: 17,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,775.36 : 55,172.24 = 11,817.60 : x
  2. Step 2: Convert to fraction form
    36,775.36/55,172.24 = 11,817.60/x
  3. Step 3: Cross multiply
    36,775.36x = 55,172.24 × 11,817.60
  4. Step 4: Simplify right side
    36,775.36x = 652,003,463.42
  5. Step 5: Solve for x
    x = 652,003,463.42/36,775.36
  6. Step 6: Final answer
    x = 17,729.36

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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.