Home / 30,131.01-41,580.68-16,702.13

Finding the Fourth Proportional to 30,131.01, 41,580.68 and 16,702.13

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Solution

The fourth proportional to 30,131.01, 41,580.68 and 16,702.13 is: 23,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.01 : 41,580.68 = 16,702.13 : x
  2. Step 2: Convert to fraction form
    30,131.01/41,580.68 = 16,702.13/x
  3. Step 3: Cross multiply
    30,131.01x = 41,580.68 × 16,702.13
  4. Step 4: Simplify right side
    30,131.01x = 694,485,631.43
  5. Step 5: Solve for x
    x = 694,485,631.43/30,131.01
  6. Step 6: Final answer
    x = 23,048.87

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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.