Home / 30,251.54-41,742.21-16,822.45

Finding the Fourth Proportional to 30,251.54, 41,742.21 and 16,822.45

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Solution

The fourth proportional to 30,251.54, 41,742.21 and 16,822.45 is: 23,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.54 : 41,742.21 = 16,822.45 : x
  2. Step 2: Convert to fraction form
    30,251.54/41,742.21 = 16,822.45/x
  3. Step 3: Cross multiply
    30,251.54x = 41,742.21 × 16,822.45
  4. Step 4: Simplify right side
    30,251.54x = 702,206,240.61
  5. Step 5: Solve for x
    x = 702,206,240.61/30,251.54
  6. Step 6: Final answer
    x = 23,212.25

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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.