Home / 39,908.84-55,074.32-22,003.44

Finding the Fourth Proportional to 39,908.84, 55,074.32 and 22,003.44

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Solution

The fourth proportional to 39,908.84, 55,074.32 and 22,003.44 is: 30,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.84 : 55,074.32 = 22,003.44 : x
  2. Step 2: Convert to fraction form
    39,908.84/55,074.32 = 22,003.44/x
  3. Step 3: Cross multiply
    39,908.84x = 55,074.32 × 22,003.44
  4. Step 4: Simplify right side
    39,908.84x = 1,211,824,495.66
  5. Step 5: Solve for x
    x = 1,211,824,495.66/39,908.84
  6. Step 6: Final answer
    x = 30,364.81

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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.