Home / 36,015.02-54,016.05-21,206.60

Finding the Fourth Proportional to 36,015.02, 54,016.05 and 21,206.60

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Solution

The fourth proportional to 36,015.02, 54,016.05 and 21,206.60 is: 31,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.02 : 54,016.05 = 21,206.60 : x
  2. Step 2: Convert to fraction form
    36,015.02/54,016.05 = 21,206.60/x
  3. Step 3: Cross multiply
    36,015.02x = 54,016.05 × 21,206.60
  4. Step 4: Simplify right side
    36,015.02x = 1,145,496,765.93
  5. Step 5: Solve for x
    x = 1,145,496,765.93/36,015.02
  6. Step 6: Final answer
    x = 31,806.08

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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.