Home / 30,979.92-46,437.91-12,252.36

Finding the Fourth Proportional to 30,979.92, 46,437.91 and 12,252.36

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Solution

The fourth proportional to 30,979.92, 46,437.91 and 12,252.36 is: 18,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.92 : 46,437.91 = 12,252.36 : x
  2. Step 2: Convert to fraction form
    30,979.92/46,437.91 = 12,252.36/x
  3. Step 3: Cross multiply
    30,979.92x = 46,437.91 × 12,252.36
  4. Step 4: Simplify right side
    30,979.92x = 568,974,134.48
  5. Step 5: Solve for x
    x = 568,974,134.48/30,979.92
  6. Step 6: Final answer
    x = 18,365.90

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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.