Home / 34,646.31-51,964.61-12,456.36

Finding the Fourth Proportional to 34,646.31, 51,964.61 and 12,456.36

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Solution

The fourth proportional to 34,646.31, 51,964.61 and 12,456.36 is: 18,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,646.31 : 51,964.61 = 12,456.36 : x
  2. Step 2: Convert to fraction form
    34,646.31/51,964.61 = 12,456.36/x
  3. Step 3: Cross multiply
    34,646.31x = 51,964.61 × 12,456.36
  4. Step 4: Simplify right side
    34,646.31x = 647,289,827.14
  5. Step 5: Solve for x
    x = 647,289,827.14/34,646.31
  6. Step 6: Final answer
    x = 18,682.79

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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.