Home / 36,721.83-50,675.07-20,811.42

Finding the Fourth Proportional to 36,721.83, 50,675.07 and 20,811.42

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Solution

The fourth proportional to 36,721.83, 50,675.07 and 20,811.42 is: 28,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.83 : 50,675.07 = 20,811.42 : x
  2. Step 2: Convert to fraction form
    36,721.83/50,675.07 = 20,811.42/x
  3. Step 3: Cross multiply
    36,721.83x = 50,675.07 × 20,811.42
  4. Step 4: Simplify right side
    36,721.83x = 1,054,620,165.30
  5. Step 5: Solve for x
    x = 1,054,620,165.30/36,721.83
  6. Step 6: Final answer
    x = 28,719.16

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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.