Home / 36,889.68-50,918.60-20,982.96

Finding the Fourth Proportional to 36,889.68, 50,918.60 and 20,982.96

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Solution

The fourth proportional to 36,889.68, 50,918.60 and 20,982.96 is: 28,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,889.68 : 50,918.60 = 20,982.96 : x
  2. Step 2: Convert to fraction form
    36,889.68/50,918.60 = 20,982.96/x
  3. Step 3: Cross multiply
    36,889.68x = 50,918.60 × 20,982.96
  4. Step 4: Simplify right side
    36,889.68x = 1,068,422,947.06
  5. Step 5: Solve for x
    x = 1,068,422,947.06/36,889.68
  6. Step 6: Final answer
    x = 28,962.65

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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.