Home / 30,843.92-46,256.16-12,118.34

Finding the Fourth Proportional to 30,843.92, 46,256.16 and 12,118.34

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Solution

The fourth proportional to 30,843.92, 46,256.16 and 12,118.34 is: 18,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843.92 : 46,256.16 = 12,118.34 : x
  2. Step 2: Convert to fraction form
    30,843.92/46,256.16 = 12,118.34/x
  3. Step 3: Cross multiply
    30,843.92x = 46,256.16 × 12,118.34
  4. Step 4: Simplify right side
    30,843.92x = 560,547,873.97
  5. Step 5: Solve for x
    x = 560,547,873.97/30,843.92
  6. Step 6: Final answer
    x = 18,173.69

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1.5x scale

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.