Home / 64,431.45-96,650.82-20,064.51

Finding the Fourth Proportional to 64,431.45, 96,650.82 and 20,064.51

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Solution

The fourth proportional to 64,431.45, 96,650.82 and 20,064.51 is: 30,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,431.45 : 96,650.82 = 20,064.51 : x
  2. Step 2: Convert to fraction form
    64,431.45/96,650.82 = 20,064.51/x
  3. Step 3: Cross multiply
    64,431.45x = 96,650.82 × 20,064.51
  4. Step 4: Simplify right side
    64,431.45x = 1,939,251,344.40
  5. Step 5: Solve for x
    x = 1,939,251,344.40/64,431.45
  6. Step 6: Final answer
    x = 30,097.90

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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.