Home / 39,106.33-53,965.38-23,181.31

Finding the Fourth Proportional to 39,106.33, 53,965.38 and 23,181.31

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Solution

The fourth proportional to 39,106.33, 53,965.38 and 23,181.31 is: 31,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.33 : 53,965.38 = 23,181.31 : x
  2. Step 2: Convert to fraction form
    39,106.33/53,965.38 = 23,181.31/x
  3. Step 3: Cross multiply
    39,106.33x = 53,965.38 × 23,181.31
  4. Step 4: Simplify right side
    39,106.33x = 1,250,988,203.05
  5. Step 5: Solve for x
    x = 1,250,988,203.05/39,106.33
  6. Step 6: Final answer
    x = 31,989.40

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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.