Home / 30,940.37-42,697.75-16,793.24

Finding the Fourth Proportional to 30,940.37, 42,697.75 and 16,793.24

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Solution

The fourth proportional to 30,940.37, 42,697.75 and 16,793.24 is: 23,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.37 : 42,697.75 = 16,793.24 : x
  2. Step 2: Convert to fraction form
    30,940.37/42,697.75 = 16,793.24/x
  3. Step 3: Cross multiply
    30,940.37x = 42,697.75 × 16,793.24
  4. Step 4: Simplify right side
    30,940.37x = 717,033,563.21
  5. Step 5: Solve for x
    x = 717,033,563.21/30,940.37
  6. Step 6: Final answer
    x = 23,174.70

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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.