Home / 30,387.06-41,936.24-16,960.93

Finding the Fourth Proportional to 30,387.06, 41,936.24 and 16,960.93

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Solution

The fourth proportional to 30,387.06, 41,936.24 and 16,960.93 is: 23,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387.06 : 41,936.24 = 16,960.93 : x
  2. Step 2: Convert to fraction form
    30,387.06/41,936.24 = 16,960.93/x
  3. Step 3: Cross multiply
    30,387.06x = 41,936.24 × 16,960.93
  4. Step 4: Simplify right side
    30,387.06x = 711,277,568.66
  5. Step 5: Solve for x
    x = 711,277,568.66/30,387.06
  6. Step 6: Final answer
    x = 23,407.25

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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.