Home / 30,072.49-41,499.46-16,643.75

Finding the Fourth Proportional to 30,072.49, 41,499.46 and 16,643.75

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Solution

The fourth proportional to 30,072.49, 41,499.46 and 16,643.75 is: 22,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.49 : 41,499.46 = 16,643.75 : x
  2. Step 2: Convert to fraction form
    30,072.49/41,499.46 = 16,643.75/x
  3. Step 3: Cross multiply
    30,072.49x = 41,499.46 × 16,643.75
  4. Step 4: Simplify right side
    30,072.49x = 690,706,637.38
  5. Step 5: Solve for x
    x = 690,706,637.38/30,072.49
  6. Step 6: Final answer
    x = 22,968.06

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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.