Home / 33,012.35-45,559.31-18,672.20

Finding the Fourth Proportional to 33,012.35, 45,559.31 and 18,672.20

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Solution

The fourth proportional to 33,012.35, 45,559.31 and 18,672.20 is: 25,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.35 : 45,559.31 = 18,672.20 : x
  2. Step 2: Convert to fraction form
    33,012.35/45,559.31 = 18,672.20/x
  3. Step 3: Cross multiply
    33,012.35x = 45,559.31 × 18,672.20
  4. Step 4: Simplify right side
    33,012.35x = 850,692,374.77
  5. Step 5: Solve for x
    x = 850,692,374.77/33,012.35
  6. Step 6: Final answer
    x = 25,768.91

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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.