Home / 30,074.40-41,505.36-16,648.80

Finding the Fourth Proportional to 30,074.40, 41,505.36 and 16,648.80

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Solution

The fourth proportional to 30,074.40, 41,505.36 and 16,648.80 is: 22,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.40 : 41,505.36 = 16,648.80 : x
  2. Step 2: Convert to fraction form
    30,074.40/41,505.36 = 16,648.80/x
  3. Step 3: Cross multiply
    30,074.40x = 41,505.36 × 16,648.80
  4. Step 4: Simplify right side
    30,074.40x = 691,014,437.57
  5. Step 5: Solve for x
    x = 691,014,437.57/30,074.40
  6. Step 6: Final answer
    x = 22,976.83

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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.