Home / 30,161.95-41,623.13-16,732.87

Finding the Fourth Proportional to 30,161.95, 41,623.13 and 16,732.87

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Solution

The fourth proportional to 30,161.95, 41,623.13 and 16,732.87 is: 23,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.95 : 41,623.13 = 16,732.87 : x
  2. Step 2: Convert to fraction form
    30,161.95/41,623.13 = 16,732.87/x
  3. Step 3: Cross multiply
    30,161.95x = 41,623.13 × 16,732.87
  4. Step 4: Simplify right side
    30,161.95x = 696,474,339.62
  5. Step 5: Solve for x
    x = 696,474,339.62/30,161.95
  6. Step 6: Final answer
    x = 23,091.16

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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.