Home / 39,107.26-53,967.31-22,111.21

Finding the Fourth Proportional to 39,107.26, 53,967.31 and 22,111.21

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Solution

The fourth proportional to 39,107.26, 53,967.31 and 22,111.21 is: 30,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.26 : 53,967.31 = 22,111.21 : x
  2. Step 2: Convert to fraction form
    39,107.26/53,967.31 = 22,111.21/x
  3. Step 3: Cross multiply
    39,107.26x = 53,967.31 × 22,111.21
  4. Step 4: Simplify right side
    39,107.26x = 1,193,282,524.55
  5. Step 5: Solve for x
    x = 1,193,282,524.55/39,107.26
  6. Step 6: Final answer
    x = 30,513.07

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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.