Home / 30,575.57-42,190.23-16,963.44

Finding the Fourth Proportional to 30,575.57, 42,190.23 and 16,963.44

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Solution

The fourth proportional to 30,575.57, 42,190.23 and 16,963.44 is: 23,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.57 : 42,190.23 = 16,963.44 : x
  2. Step 2: Convert to fraction form
    30,575.57/42,190.23 = 16,963.44/x
  3. Step 3: Cross multiply
    30,575.57x = 42,190.23 × 16,963.44
  4. Step 4: Simplify right side
    30,575.57x = 715,691,435.19
  5. Step 5: Solve for x
    x = 715,691,435.19/30,575.57
  6. Step 6: Final answer
    x = 23,407.30

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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.