Home / 33,078.10-49,617.15-21,948.70

Finding the Fourth Proportional to 33,078.10, 49,617.15 and 21,948.70

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Solution

The fourth proportional to 33,078.10, 49,617.15 and 21,948.70 is: 32,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.10 : 49,617.15 = 21,948.70 : x
  2. Step 2: Convert to fraction form
    33,078.10/49,617.15 = 21,948.70/x
  3. Step 3: Cross multiply
    33,078.10x = 49,617.15 × 21,948.70
  4. Step 4: Simplify right side
    33,078.10x = 1,089,031,940.21
  5. Step 5: Solve for x
    x = 1,089,031,940.21/33,078.10
  6. Step 6: Final answer
    x = 32,923.05

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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.