Home / 30,806.63-46,176.05-12,083.18

Finding the Fourth Proportional to 30,806.63, 46,176.05 and 12,083.18

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Solution

The fourth proportional to 30,806.63, 46,176.05 and 12,083.18 is: 18,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806.63 : 46,176.05 = 12,083.18 : x
  2. Step 2: Convert to fraction form
    30,806.63/46,176.05 = 12,083.18/x
  3. Step 3: Cross multiply
    30,806.63x = 46,176.05 × 12,083.18
  4. Step 4: Simplify right side
    30,806.63x = 557,953,289.18
  5. Step 5: Solve for x
    x = 557,953,289.18/30,806.63
  6. Step 6: Final answer
    x = 18,111.47

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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.