Home / 64,408.09-96,628.49-20,035.18

Finding the Fourth Proportional to 64,408.09, 96,628.49 and 20,035.18

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Solution

The fourth proportional to 64,408.09, 96,628.49 and 20,035.18 is: 30,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408.09 : 96,628.49 = 20,035.18 : x
  2. Step 2: Convert to fraction form
    64,408.09/96,628.49 = 20,035.18/x
  3. Step 3: Cross multiply
    64,408.09x = 96,628.49 × 20,035.18
  4. Step 4: Simplify right side
    64,408.09x = 1,935,968,606.96
  5. Step 5: Solve for x
    x = 1,935,968,606.96/64,408.09
  6. Step 6: Final answer
    x = 30,057.85

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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.