Home / 33,148.20-45,759.48-21,823.64

Finding the Fourth Proportional to 33,148.20, 45,759.48 and 21,823.64

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Solution

The fourth proportional to 33,148.20, 45,759.48 and 21,823.64 is: 30,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.20 : 45,759.48 = 21,823.64 : x
  2. Step 2: Convert to fraction form
    33,148.20/45,759.48 = 21,823.64/x
  3. Step 3: Cross multiply
    33,148.20x = 45,759.48 × 21,823.64
  4. Step 4: Simplify right side
    33,148.20x = 998,638,418.11
  5. Step 5: Solve for x
    x = 998,638,418.11/33,148.20
  6. Step 6: Final answer
    x = 30,126.47

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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.