Home / 56,173.28-84,195.12-21,090.56

Finding the Fourth Proportional to 56,173.28, 84,195.12 and 21,090.56

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Solution

The fourth proportional to 56,173.28, 84,195.12 and 21,090.56 is: 31,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,173.28 : 84,195.12 = 21,090.56 : x
  2. Step 2: Convert to fraction form
    56,173.28/84,195.12 = 21,090.56/x
  3. Step 3: Cross multiply
    56,173.28x = 84,195.12 × 21,090.56
  4. Step 4: Simplify right side
    56,173.28x = 1,775,722,230.07
  5. Step 5: Solve for x
    x = 1,775,722,230.07/56,173.28
  6. Step 6: Final answer
    x = 31,611.51

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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.