Home / 30,893.01-42,632.25-16,745.91

Finding the Fourth Proportional to 30,893.01, 42,632.25 and 16,745.91

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Solution

The fourth proportional to 30,893.01, 42,632.25 and 16,745.91 is: 23,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.01 : 42,632.25 = 16,745.91 : x
  2. Step 2: Convert to fraction form
    30,893.01/42,632.25 = 16,745.91/x
  3. Step 3: Cross multiply
    30,893.01x = 42,632.25 × 16,745.91
  4. Step 4: Simplify right side
    30,893.01x = 713,915,821.60
  5. Step 5: Solve for x
    x = 713,915,821.60/30,893.01
  6. Step 6: Final answer
    x = 23,109.30

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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.