Home / 30,892.41-42,631.49-16,745.25

Finding the Fourth Proportional to 30,892.41, 42,631.49 and 16,745.25

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Solution

The fourth proportional to 30,892.41, 42,631.49 and 16,745.25 is: 23,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.41 : 42,631.49 = 16,745.25 : x
  2. Step 2: Convert to fraction form
    30,892.41/42,631.49 = 16,745.25/x
  3. Step 3: Cross multiply
    30,892.41x = 42,631.49 × 16,745.25
  4. Step 4: Simplify right side
    30,892.41x = 713,874,874.20
  5. Step 5: Solve for x
    x = 713,874,874.20/30,892.41
  6. Step 6: Final answer
    x = 23,108.42

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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.