Home / 20,010.08-30,016.82-5,969.21

Finding the Fourth Proportional to 20,010.08, 30,016.82 and 5,969.21

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Solution

The fourth proportional to 20,010.08, 30,016.82 and 5,969.21 is: 8,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.08 : 30,016.82 = 5,969.21 : x
  2. Step 2: Convert to fraction form
    20,010.08/30,016.82 = 5,969.21/x
  3. Step 3: Cross multiply
    20,010.08x = 30,016.82 × 5,969.21
  4. Step 4: Simplify right side
    20,010.08x = 179,176,566.95
  5. Step 5: Solve for x
    x = 179,176,566.95/20,010.08
  6. Step 6: Final answer
    x = 8,954.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.