Home / 30,882.25-42,617.51-16,735.09

Finding the Fourth Proportional to 30,882.25, 42,617.51 and 16,735.09

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Solution

The fourth proportional to 30,882.25, 42,617.51 and 16,735.09 is: 23,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.25 : 42,617.51 = 16,735.09 : x
  2. Step 2: Convert to fraction form
    30,882.25/42,617.51 = 16,735.09/x
  3. Step 3: Cross multiply
    30,882.25x = 42,617.51 × 16,735.09
  4. Step 4: Simplify right side
    30,882.25x = 713,207,865.43
  5. Step 5: Solve for x
    x = 713,207,865.43/30,882.25
  6. Step 6: Final answer
    x = 23,094.43

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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.