Home / 30,813.37-42,512.46-17,199.19

Finding the Fourth Proportional to 30,813.37, 42,512.46 and 17,199.19

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Solution

The fourth proportional to 30,813.37, 42,512.46 and 17,199.19 is: 23,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813.37 : 42,512.46 = 17,199.19 : x
  2. Step 2: Convert to fraction form
    30,813.37/42,512.46 = 17,199.19/x
  3. Step 3: Cross multiply
    30,813.37x = 42,512.46 × 17,199.19
  4. Step 4: Simplify right side
    30,813.37x = 731,179,876.91
  5. Step 5: Solve for x
    x = 731,179,876.91/30,813.37
  6. Step 6: Final answer
    x = 23,729.31

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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.