Home / 39,976.13-55,164.51-22,976.33

Finding the Fourth Proportional to 39,976.13, 55,164.51 and 22,976.33

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Solution

The fourth proportional to 39,976.13, 55,164.51 and 22,976.33 is: 31,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.13 : 55,164.51 = 22,976.33 : x
  2. Step 2: Convert to fraction form
    39,976.13/55,164.51 = 22,976.33/x
  3. Step 3: Cross multiply
    39,976.13x = 55,164.51 × 22,976.33
  4. Step 4: Simplify right side
    39,976.13x = 1,267,477,710.23
  5. Step 5: Solve for x
    x = 1,267,477,710.23/39,976.13
  6. Step 6: Final answer
    x = 31,705.86

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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.