Home / 33,148.68-45,750.86-21,211.44

Finding the Fourth Proportional to 33,148.68, 45,750.86 and 21,211.44

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Solution

The fourth proportional to 33,148.68, 45,750.86 and 21,211.44 is: 29,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.68 : 45,750.86 = 21,211.44 : x
  2. Step 2: Convert to fraction form
    33,148.68/45,750.86 = 21,211.44/x
  3. Step 3: Cross multiply
    33,148.68x = 45,750.86 × 21,211.44
  4. Step 4: Simplify right side
    33,148.68x = 970,441,621.84
  5. Step 5: Solve for x
    x = 970,441,621.84/33,148.68
  6. Step 6: Final answer
    x = 29,275.42

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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.