Home / 33,121.20-49,681.80-32,829.60

Finding the Fourth Proportional to 33,121.20, 49,681.80 and 32,829.60

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Solution

The fourth proportional to 33,121.20, 49,681.80 and 32,829.60 is: 49,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.20 : 49,681.80 = 32,829.60 : x
  2. Step 2: Convert to fraction form
    33,121.20/49,681.80 = 32,829.60/x
  3. Step 3: Cross multiply
    33,121.20x = 49,681.80 × 32,829.60
  4. Step 4: Simplify right side
    33,121.20x = 1,631,033,621.28
  5. Step 5: Solve for x
    x = 1,631,033,621.28/33,121.20
  6. Step 6: Final answer
    x = 49,244.40

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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.