Home / 35,135.24-52,723.64-12,964.20

Finding the Fourth Proportional to 35,135.24, 52,723.64 and 12,964.20

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Solution

The fourth proportional to 35,135.24, 52,723.64 and 12,964.20 is: 19,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.24 : 52,723.64 = 12,964.20 : x
  2. Step 2: Convert to fraction form
    35,135.24/52,723.64 = 12,964.20/x
  3. Step 3: Cross multiply
    35,135.24x = 52,723.64 × 12,964.20
  4. Step 4: Simplify right side
    35,135.24x = 683,519,813.69
  5. Step 5: Solve for x
    x = 683,519,813.69/35,135.24
  6. Step 6: Final answer
    x = 19,453.97

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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.