Home / 30,943.14-46,383.12-12,236.09

Finding the Fourth Proportional to 30,943.14, 46,383.12 and 12,236.09

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Solution

The fourth proportional to 30,943.14, 46,383.12 and 12,236.09 is: 18,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.14 : 46,383.12 = 12,236.09 : x
  2. Step 2: Convert to fraction form
    30,943.14/46,383.12 = 12,236.09/x
  3. Step 3: Cross multiply
    30,943.14x = 46,383.12 × 12,236.09
  4. Step 4: Simplify right side
    30,943.14x = 567,547,798.89
  5. Step 5: Solve for x
    x = 567,547,798.89/30,943.14
  6. Step 6: Final answer
    x = 18,341.64

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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.