Home / 30,941.07-42,698.78-16,793.91

Finding the Fourth Proportional to 30,941.07, 42,698.78 and 16,793.91

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Solution

The fourth proportional to 30,941.07, 42,698.78 and 16,793.91 is: 23,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.07 : 42,698.78 = 16,793.91 : x
  2. Step 2: Convert to fraction form
    30,941.07/42,698.78 = 16,793.91/x
  3. Step 3: Cross multiply
    30,941.07x = 42,698.78 × 16,793.91
  4. Step 4: Simplify right side
    30,941.07x = 717,079,468.43
  5. Step 5: Solve for x
    x = 717,079,468.43/30,941.07
  6. Step 6: Final answer
    x = 23,175.65

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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.