Home / 30,107.08-41,544.90-16,678.05

Finding the Fourth Proportional to 30,107.08, 41,544.90 and 16,678.05

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Solution

The fourth proportional to 30,107.08, 41,544.90 and 16,678.05 is: 23,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.08 : 41,544.90 = 16,678.05 : x
  2. Step 2: Convert to fraction form
    30,107.08/41,544.90 = 16,678.05/x
  3. Step 3: Cross multiply
    30,107.08x = 41,544.90 × 16,678.05
  4. Step 4: Simplify right side
    30,107.08x = 692,887,919.45
  5. Step 5: Solve for x
    x = 692,887,919.45/30,107.08
  6. Step 6: Final answer
    x = 23,014.12

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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.