Home / 30,031.96-44,936.33-18,886.54

Finding the Fourth Proportional to 30,031.96, 44,936.33 and 18,886.54

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Solution

The fourth proportional to 30,031.96, 44,936.33 and 18,886.54 is: 28,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.96 : 44,936.33 = 18,886.54 : x
  2. Step 2: Convert to fraction form
    30,031.96/44,936.33 = 18,886.54/x
  3. Step 3: Cross multiply
    30,031.96x = 44,936.33 × 18,886.54
  4. Step 4: Simplify right side
    30,031.96x = 848,691,794.00
  5. Step 5: Solve for x
    x = 848,691,794.00/30,031.96
  6. Step 6: Final answer
    x = 28,259.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.