Home / 33,015.66-49,531.50-18,984.66

Finding the Fourth Proportional to 33,015.66, 49,531.50 and 18,984.66

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Solution

The fourth proportional to 33,015.66, 49,531.50 and 18,984.66 is: 28,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.66 : 49,531.50 = 18,984.66 : x
  2. Step 2: Convert to fraction form
    33,015.66/49,531.50 = 18,984.66/x
  3. Step 3: Cross multiply
    33,015.66x = 49,531.50 × 18,984.66
  4. Step 4: Simplify right side
    33,015.66x = 940,338,686.79
  5. Step 5: Solve for x
    x = 940,338,686.79/33,015.66
  6. Step 6: Final answer
    x = 28,481.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.