Home / 30,301.70-41,814.83-16,874.12

Finding the Fourth Proportional to 30,301.70, 41,814.83 and 16,874.12

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Solution

The fourth proportional to 30,301.70, 41,814.83 and 16,874.12 is: 23,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.70 : 41,814.83 = 16,874.12 : x
  2. Step 2: Convert to fraction form
    30,301.70/41,814.83 = 16,874.12/x
  3. Step 3: Cross multiply
    30,301.70x = 41,814.83 × 16,874.12
  4. Step 4: Simplify right side
    30,301.70x = 705,588,605.92
  5. Step 5: Solve for x
    x = 705,588,605.92/30,301.70
  6. Step 6: Final answer
    x = 23,285.45

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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.