Home / 30,226.15-41,708.34-16,800.21

Finding the Fourth Proportional to 30,226.15, 41,708.34 and 16,800.21

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Solution

The fourth proportional to 30,226.15, 41,708.34 and 16,800.21 is: 23,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.15 : 41,708.34 = 16,800.21 : x
  2. Step 2: Convert to fraction form
    30,226.15/41,708.34 = 16,800.21/x
  3. Step 3: Cross multiply
    30,226.15x = 41,708.34 × 16,800.21
  4. Step 4: Simplify right side
    30,226.15x = 700,708,870.75
  5. Step 5: Solve for x
    x = 700,708,870.75/30,226.15
  6. Step 6: Final answer
    x = 23,182.21

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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.