Home / 36,721.49-50,672.79-20,808.43

Finding the Fourth Proportional to 36,721.49, 50,672.79 and 20,808.43

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Solution

The fourth proportional to 36,721.49, 50,672.79 and 20,808.43 is: 28,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.49 : 50,672.79 = 20,808.43 : x
  2. Step 2: Convert to fraction form
    36,721.49/50,672.79 = 20,808.43/x
  3. Step 3: Cross multiply
    36,721.49x = 50,672.79 × 20,808.43
  4. Step 4: Simplify right side
    36,721.49x = 1,054,421,076.94
  5. Step 5: Solve for x
    x = 1,054,421,076.94/36,721.49
  6. Step 6: Final answer
    x = 28,714.01

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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.