Home / 36,878.07-50,889.74-20,960.31

Finding the Fourth Proportional to 36,878.07, 50,889.74 and 20,960.31

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Solution

The fourth proportional to 36,878.07, 50,889.74 and 20,960.31 is: 28,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878.07 : 50,889.74 = 20,960.31 : x
  2. Step 2: Convert to fraction form
    36,878.07/50,889.74 = 20,960.31/x
  3. Step 3: Cross multiply
    36,878.07x = 50,889.74 × 20,960.31
  4. Step 4: Simplify right side
    36,878.07x = 1,066,664,621.42
  5. Step 5: Solve for x
    x = 1,066,664,621.42/36,878.07
  6. Step 6: Final answer
    x = 28,924.09

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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.