Home / 30,850.94-42,571.85-17,423.51

Finding the Fourth Proportional to 30,850.94, 42,571.85 and 17,423.51

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Solution

The fourth proportional to 30,850.94, 42,571.85 and 17,423.51 is: 24,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.94 : 42,571.85 = 17,423.51 : x
  2. Step 2: Convert to fraction form
    30,850.94/42,571.85 = 17,423.51/x
  3. Step 3: Cross multiply
    30,850.94x = 42,571.85 × 17,423.51
  4. Step 4: Simplify right side
    30,850.94x = 741,750,754.22
  5. Step 5: Solve for x
    x = 741,750,754.22/30,850.94
  6. Step 6: Final answer
    x = 24,043.05

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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.