Home / 30,941.73-42,700.36-16,794.54

Finding the Fourth Proportional to 30,941.73, 42,700.36 and 16,794.54

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Solution

The fourth proportional to 30,941.73, 42,700.36 and 16,794.54 is: 23,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.73 : 42,700.36 = 16,794.54 : x
  2. Step 2: Convert to fraction form
    30,941.73/42,700.36 = 16,794.54/x
  3. Step 3: Cross multiply
    30,941.73x = 42,700.36 × 16,794.54
  4. Step 4: Simplify right side
    30,941.73x = 717,132,904.03
  5. Step 5: Solve for x
    x = 717,132,904.03/30,941.73
  6. Step 6: Final answer
    x = 23,176.88

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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.