Home / 36,015.68-49,749.60-28,968.64

Finding the Fourth Proportional to 36,015.68, 49,749.60 and 28,968.64

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Solution

The fourth proportional to 36,015.68, 49,749.60 and 28,968.64 is: 40,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.68 : 49,749.60 = 28,968.64 : x
  2. Step 2: Convert to fraction form
    36,015.68/49,749.60 = 28,968.64/x
  3. Step 3: Cross multiply
    36,015.68x = 49,749.60 × 28,968.64
  4. Step 4: Simplify right side
    36,015.68x = 1,441,178,252.54
  5. Step 5: Solve for x
    x = 1,441,178,252.54/36,015.68
  6. Step 6: Final answer
    x = 40,015.30

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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.