Home / 30,427.92-41,992.47-17,001

Finding the Fourth Proportional to 30,427.92, 41,992.47 and 17,001

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Solution

The fourth proportional to 30,427.92, 41,992.47 and 17,001 is: 23,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,427.92 : 41,992.47 = 17,001 : x
  2. Step 2: Convert to fraction form
    30,427.92/41,992.47 = 17,001/x
  3. Step 3: Cross multiply
    30,427.92x = 41,992.47 × 17,001
  4. Step 4: Simplify right side
    30,427.92x = 713,913,982.47
  5. Step 5: Solve for x
    x = 713,913,982.47/30,427.92
  6. Step 6: Final answer
    x = 23,462.46

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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.