Home / 64,665.38-96,998.09-20,295.60

Finding the Fourth Proportional to 64,665.38, 96,998.09 and 20,295.60

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Solution

The fourth proportional to 64,665.38, 96,998.09 and 20,295.60 is: 30,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,665.38 : 96,998.09 = 20,295.60 : x
  2. Step 2: Convert to fraction form
    64,665.38/96,998.09 = 20,295.60/x
  3. Step 3: Cross multiply
    64,665.38x = 96,998.09 × 20,295.60
  4. Step 4: Simplify right side
    64,665.38x = 1,968,634,333.93
  5. Step 5: Solve for x
    x = 1,968,634,333.93/64,665.38
  6. Step 6: Final answer
    x = 30,443.41

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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.