Home / 36,035.36-49,721.44-21,880.48

Finding the Fourth Proportional to 36,035.36, 49,721.44 and 21,880.48

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Solution

The fourth proportional to 36,035.36, 49,721.44 and 21,880.48 is: 30,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,035.36 : 49,721.44 = 21,880.48 : x
  2. Step 2: Convert to fraction form
    36,035.36/49,721.44 = 21,880.48/x
  3. Step 3: Cross multiply
    36,035.36x = 49,721.44 × 21,880.48
  4. Step 4: Simplify right side
    36,035.36x = 1,087,928,973.49
  5. Step 5: Solve for x
    x = 1,087,928,973.49/36,035.36
  6. Step 6: Final answer
    x = 30,190.60

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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.