Home / 30,261.42-41,756.69-16,830.97

Finding the Fourth Proportional to 30,261.42, 41,756.69 and 16,830.97

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Solution

The fourth proportional to 30,261.42, 41,756.69 and 16,830.97 is: 23,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.42 : 41,756.69 = 16,830.97 : x
  2. Step 2: Convert to fraction form
    30,261.42/41,756.69 = 16,830.97/x
  3. Step 3: Cross multiply
    30,261.42x = 41,756.69 × 16,830.97
  4. Step 4: Simplify right side
    30,261.42x = 702,805,596.69
  5. Step 5: Solve for x
    x = 702,805,596.69/30,261.42
  6. Step 6: Final answer
    x = 23,224.48

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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.