Home / 30,830.42-46,261.83-16,800.50

Finding the Fourth Proportional to 30,830.42, 46,261.83 and 16,800.50

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Solution

The fourth proportional to 30,830.42, 46,261.83 and 16,800.50 is: 25,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.42 : 46,261.83 = 16,800.50 : x
  2. Step 2: Convert to fraction form
    30,830.42/46,261.83 = 16,800.50/x
  3. Step 3: Cross multiply
    30,830.42x = 46,261.83 × 16,800.50
  4. Step 4: Simplify right side
    30,830.42x = 777,221,874.92
  5. Step 5: Solve for x
    x = 777,221,874.92/30,830.42
  6. Step 6: Final answer
    x = 25,209.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.