Home / 33,213.40-45,829.74-20,633.56

Finding the Fourth Proportional to 33,213.40, 45,829.74 and 20,633.56

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Solution

The fourth proportional to 33,213.40, 45,829.74 and 20,633.56 is: 28,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.40 : 45,829.74 = 20,633.56 : x
  2. Step 2: Convert to fraction form
    33,213.40/45,829.74 = 20,633.56/x
  3. Step 3: Cross multiply
    33,213.40x = 45,829.74 × 20,633.56
  4. Step 4: Simplify right side
    33,213.40x = 945,630,690.07
  5. Step 5: Solve for x
    x = 945,630,690.07/33,213.40
  6. Step 6: Final answer
    x = 28,471.36

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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.