Home / 39,120.36-53,984.64-23,195.28

Finding the Fourth Proportional to 39,120.36, 53,984.64 and 23,195.28

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Solution

The fourth proportional to 39,120.36, 53,984.64 and 23,195.28 is: 32,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120.36 : 53,984.64 = 23,195.28 : x
  2. Step 2: Convert to fraction form
    39,120.36/53,984.64 = 23,195.28/x
  3. Step 3: Cross multiply
    39,120.36x = 53,984.64 × 23,195.28
  4. Step 4: Simplify right side
    39,120.36x = 1,252,188,840.50
  5. Step 5: Solve for x
    x = 1,252,188,840.50/39,120.36
  6. Step 6: Final answer
    x = 32,008.62

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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.