Home / 39,107.96-53,940.30-25,674.31

Finding the Fourth Proportional to 39,107.96, 53,940.30 and 25,674.31

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Solution

The fourth proportional to 39,107.96, 53,940.30 and 25,674.31 is: 35,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.96 : 53,940.30 = 25,674.31 : x
  2. Step 2: Convert to fraction form
    39,107.96/53,940.30 = 25,674.31/x
  3. Step 3: Cross multiply
    39,107.96x = 53,940.30 × 25,674.31
  4. Step 4: Simplify right side
    39,107.96x = 1,384,879,848.84
  5. Step 5: Solve for x
    x = 1,384,879,848.84/39,107.96
  6. Step 6: Final answer
    x = 35,411.72

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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.