Home / 39,908.83-55,074.56-22,004.47

Finding the Fourth Proportional to 39,908.83, 55,074.56 and 22,004.47

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Solution

The fourth proportional to 39,908.83, 55,074.56 and 22,004.47 is: 30,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.83 : 55,074.56 = 22,004.47 : x
  2. Step 2: Convert to fraction form
    39,908.83/55,074.56 = 22,004.47/x
  3. Step 3: Cross multiply
    39,908.83x = 55,074.56 × 22,004.47
  4. Step 4: Simplify right side
    39,908.83x = 1,211,886,503.28
  5. Step 5: Solve for x
    x = 1,211,886,503.28/39,908.83
  6. Step 6: Final answer
    x = 30,366.38

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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.