Home / 39,104.03-53,963.83-21,199.32

Finding the Fourth Proportional to 39,104.03, 53,963.83 and 21,199.32

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Solution

The fourth proportional to 39,104.03, 53,963.83 and 21,199.32 is: 29,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,104.03 : 53,963.83 = 21,199.32 : x
  2. Step 2: Convert to fraction form
    39,104.03/53,963.83 = 21,199.32/x
  3. Step 3: Cross multiply
    39,104.03x = 53,963.83 × 21,199.32
  4. Step 4: Simplify right side
    39,104.03x = 1,143,996,500.60
  5. Step 5: Solve for x
    x = 1,143,996,500.60/39,104.03
  6. Step 6: Final answer
    x = 29,255.21

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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.