Home / 33,311.40-45,969.72-19,163.28

Finding the Fourth Proportional to 33,311.40, 45,969.72 and 19,163.28

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Solution

The fourth proportional to 33,311.40, 45,969.72 and 19,163.28 is: 26,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.40 : 45,969.72 = 19,163.28 : x
  2. Step 2: Convert to fraction form
    33,311.40/45,969.72 = 19,163.28/x
  3. Step 3: Cross multiply
    33,311.40x = 45,969.72 × 19,163.28
  4. Step 4: Simplify right side
    33,311.40x = 880,930,615.88
  5. Step 5: Solve for x
    x = 880,930,615.88/33,311.40
  6. Step 6: Final answer
    x = 26,445.32

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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.