Home / 30,107.17-41,548.19-16,678.61

Finding the Fourth Proportional to 30,107.17, 41,548.19 and 16,678.61

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Solution

The fourth proportional to 30,107.17, 41,548.19 and 16,678.61 is: 23,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.17 : 41,548.19 = 16,678.61 : x
  2. Step 2: Convert to fraction form
    30,107.17/41,548.19 = 16,678.61/x
  3. Step 3: Cross multiply
    30,107.17x = 41,548.19 × 16,678.61
  4. Step 4: Simplify right side
    30,107.17x = 692,966,057.22
  5. Step 5: Solve for x
    x = 692,966,057.22/30,107.17
  6. Step 6: Final answer
    x = 23,016.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.