Home / 64,765.28-97,151.37-20,395.49

Finding the Fourth Proportional to 64,765.28, 97,151.37 and 20,395.49

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Solution

The fourth proportional to 64,765.28, 97,151.37 and 20,395.49 is: 30,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.28 : 97,151.37 = 20,395.49 : x
  2. Step 2: Convert to fraction form
    64,765.28/97,151.37 = 20,395.49/x
  3. Step 3: Cross multiply
    64,765.28x = 97,151.37 × 20,395.49
  4. Step 4: Simplify right side
    64,765.28x = 1,981,449,309.56
  5. Step 5: Solve for x
    x = 1,981,449,309.56/64,765.28
  6. Step 6: Final answer
    x = 30,594.32

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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.