Home / 56,170.28-84,190.62-21,087.56

Finding the Fourth Proportional to 56,170.28, 84,190.62 and 21,087.56

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Solution

The fourth proportional to 56,170.28, 84,190.62 and 21,087.56 is: 31,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170.28 : 84,190.62 = 21,087.56 : x
  2. Step 2: Convert to fraction form
    56,170.28/84,190.62 = 21,087.56/x
  3. Step 3: Cross multiply
    56,170.28x = 84,190.62 × 21,087.56
  4. Step 4: Simplify right side
    56,170.28x = 1,775,374,750.69
  5. Step 5: Solve for x
    x = 1,775,374,750.69/56,170.28
  6. Step 6: Final answer
    x = 31,607.01

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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.