Home / 64,629.66-96,944.49-20,259.84

Finding the Fourth Proportional to 64,629.66, 96,944.49 and 20,259.84

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Solution

The fourth proportional to 64,629.66, 96,944.49 and 20,259.84 is: 30,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,629.66 : 96,944.49 = 20,259.84 : x
  2. Step 2: Convert to fraction form
    64,629.66/96,944.49 = 20,259.84/x
  3. Step 3: Cross multiply
    64,629.66x = 96,944.49 × 20,259.84
  4. Step 4: Simplify right side
    64,629.66x = 1,964,079,856.28
  5. Step 5: Solve for x
    x = 1,964,079,856.28/64,629.66
  6. Step 6: Final answer
    x = 30,389.76

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1.5x scale

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.