Home / 64,133.28-96,201.60-30,391.38

Finding the Fourth Proportional to 64,133.28, 96,201.60 and 30,391.38

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Solution

The fourth proportional to 64,133.28, 96,201.60 and 30,391.38 is: 45,587.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,133.28 : 96,201.60 = 30,391.38 : x
  2. Step 2: Convert to fraction form
    64,133.28/96,201.60 = 30,391.38/x
  3. Step 3: Cross multiply
    64,133.28x = 96,201.60 × 30,391.38
  4. Step 4: Simplify right side
    64,133.28x = 2,923,699,382.21
  5. Step 5: Solve for x
    x = 2,923,699,382.21/64,133.28
  6. Step 6: Final answer
    x = 45,587.87

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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.