Home / 30,203.96-41,678.37-17,636.00

Finding the Fourth Proportional to 30,203.96, 41,678.37 and 17,636.00

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Solution

The fourth proportional to 30,203.96, 41,678.37 and 17,636.00 is: 24,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.96 : 41,678.37 = 17,636.00 : x
  2. Step 2: Convert to fraction form
    30,203.96/41,678.37 = 17,636.00/x
  3. Step 3: Cross multiply
    30,203.96x = 41,678.37 × 17,636.00
  4. Step 4: Simplify right side
    30,203.96x = 735,039,524.93
  5. Step 5: Solve for x
    x = 735,039,524.93/30,203.96
  6. Step 6: Final answer
    x = 24,335.87

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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.