Home / 30,935.65-46,371.77-12,208.11

Finding the Fourth Proportional to 30,935.65, 46,371.77 and 12,208.11

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Solution

The fourth proportional to 30,935.65, 46,371.77 and 12,208.11 is: 18,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.65 : 46,371.77 = 12,208.11 : x
  2. Step 2: Convert to fraction form
    30,935.65/46,371.77 = 12,208.11/x
  3. Step 3: Cross multiply
    30,935.65x = 46,371.77 × 12,208.11
  4. Step 4: Simplify right side
    30,935.65x = 566,111,608.01
  5. Step 5: Solve for x
    x = 566,111,608.01/30,935.65
  6. Step 6: Final answer
    x = 18,299.65

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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.