Home / 64,977.29-97,469.37-20,607.51

Finding the Fourth Proportional to 64,977.29, 97,469.37 and 20,607.51

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Solution

The fourth proportional to 64,977.29, 97,469.37 and 20,607.51 is: 30,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.29 : 97,469.37 = 20,607.51 : x
  2. Step 2: Convert to fraction form
    64,977.29/97,469.37 = 20,607.51/x
  3. Step 3: Cross multiply
    64,977.29x = 97,469.37 × 20,607.51
  4. Step 4: Simplify right side
    64,977.29x = 2,008,601,016.97
  5. Step 5: Solve for x
    x = 2,008,601,016.97/64,977.29
  6. Step 6: Final answer
    x = 30,912.36

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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.