Home / 64,464.38-96,698.99-20,090.96

Finding the Fourth Proportional to 64,464.38, 96,698.99 and 20,090.96

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Solution

The fourth proportional to 64,464.38, 96,698.99 and 20,090.96 is: 30,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,464.38 : 96,698.99 = 20,090.96 : x
  2. Step 2: Convert to fraction form
    64,464.38/96,698.99 = 20,090.96/x
  3. Step 3: Cross multiply
    64,464.38x = 96,698.99 × 20,090.96
  4. Step 4: Simplify right side
    64,464.38x = 1,942,775,106.86
  5. Step 5: Solve for x
    x = 1,942,775,106.86/64,464.38
  6. Step 6: Final answer
    x = 30,137.19

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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.