Home / 33,278.80-45,922.90-18,168.45

Finding the Fourth Proportional to 33,278.80, 45,922.90 and 18,168.45

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Solution

The fourth proportional to 33,278.80, 45,922.90 and 18,168.45 is: 25,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.80 : 45,922.90 = 18,168.45 : x
  2. Step 2: Convert to fraction form
    33,278.80/45,922.90 = 18,168.45/x
  3. Step 3: Cross multiply
    33,278.80x = 45,922.90 × 18,168.45
  4. Step 4: Simplify right side
    33,278.80x = 834,347,987.26
  5. Step 5: Solve for x
    x = 834,347,987.26/33,278.80
  6. Step 6: Final answer
    x = 25,071.46

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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.