Home / 39,640.21-59,470.23-27,976.21

Finding the Fourth Proportional to 39,640.21, 59,470.23 and 27,976.21

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Solution

The fourth proportional to 39,640.21, 59,470.23 and 27,976.21 is: 41,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640.21 : 59,470.23 = 27,976.21 : x
  2. Step 2: Convert to fraction form
    39,640.21/59,470.23 = 27,976.21/x
  3. Step 3: Cross multiply
    39,640.21x = 59,470.23 × 27,976.21
  4. Step 4: Simplify right side
    39,640.21x = 1,663,751,643.23
  5. Step 5: Solve for x
    x = 1,663,751,643.23/39,640.21
  6. Step 6: Final answer
    x = 41,971.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.