Home / 33,120.22-49,680.33-19,259.50

Finding the Fourth Proportional to 33,120.22, 49,680.33 and 19,259.50

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Solution

The fourth proportional to 33,120.22, 49,680.33 and 19,259.50 is: 28,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.22 : 49,680.33 = 19,259.50 : x
  2. Step 2: Convert to fraction form
    33,120.22/49,680.33 = 19,259.50/x
  3. Step 3: Cross multiply
    33,120.22x = 49,680.33 × 19,259.50
  4. Step 4: Simplify right side
    33,120.22x = 956,818,315.64
  5. Step 5: Solve for x
    x = 956,818,315.64/33,120.22
  6. Step 6: Final answer
    x = 28,889.25

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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.