Home / 39,108.21-53,940.65-25,674.56

Finding the Fourth Proportional to 39,108.21, 53,940.65 and 25,674.56

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Solution

The fourth proportional to 39,108.21, 53,940.65 and 25,674.56 is: 35,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.21 : 53,940.65 = 25,674.56 : x
  2. Step 2: Convert to fraction form
    39,108.21/53,940.65 = 25,674.56/x
  3. Step 3: Cross multiply
    39,108.21x = 53,940.65 × 25,674.56
  4. Step 4: Simplify right side
    39,108.21x = 1,384,902,454.86
  5. Step 5: Solve for x
    x = 1,384,902,454.86/39,108.21
  6. Step 6: Final answer
    x = 35,412.06

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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.