Home / 30,850.39-42,573.36-16,702.93

Finding the Fourth Proportional to 30,850.39, 42,573.36 and 16,702.93

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Solution

The fourth proportional to 30,850.39, 42,573.36 and 16,702.93 is: 23,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.39 : 42,573.36 = 16,702.93 : x
  2. Step 2: Convert to fraction form
    30,850.39/42,573.36 = 16,702.93/x
  3. Step 3: Cross multiply
    30,850.39x = 42,573.36 × 16,702.93
  4. Step 4: Simplify right side
    30,850.39x = 711,099,851.94
  5. Step 5: Solve for x
    x = 711,099,851.94/30,850.39
  6. Step 6: Final answer
    x = 23,049.95

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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.