Home / 39,908.95-55,074.58-22,003.65

Finding the Fourth Proportional to 39,908.95, 55,074.58 and 22,003.65

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Solution

The fourth proportional to 39,908.95, 55,074.58 and 22,003.65 is: 30,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.95 : 55,074.58 = 22,003.65 : x
  2. Step 2: Convert to fraction form
    39,908.95/55,074.58 = 22,003.65/x
  3. Step 3: Cross multiply
    39,908.95x = 55,074.58 × 22,003.65
  4. Step 4: Simplify right side
    39,908.95x = 1,211,841,850.98
  5. Step 5: Solve for x
    x = 1,211,841,850.98/39,908.95
  6. Step 6: Final answer
    x = 30,365.16

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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.