Home / 30,065.70-41,490.44-16,636.98

Finding the Fourth Proportional to 30,065.70, 41,490.44 and 16,636.98

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Solution

The fourth proportional to 30,065.70, 41,490.44 and 16,636.98 is: 22,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.70 : 41,490.44 = 16,636.98 : x
  2. Step 2: Convert to fraction form
    30,065.70/41,490.44 = 16,636.98/x
  3. Step 3: Cross multiply
    30,065.70x = 41,490.44 × 16,636.98
  4. Step 4: Simplify right side
    30,065.70x = 690,275,620.47
  5. Step 5: Solve for x
    x = 690,275,620.47/30,065.70
  6. Step 6: Final answer
    x = 22,958.91

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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.