Home / 36,942.19-50,985.80-20,811.01

Finding the Fourth Proportional to 36,942.19, 50,985.80 and 20,811.01

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Solution

The fourth proportional to 36,942.19, 50,985.80 and 20,811.01 is: 28,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,942.19 : 50,985.80 = 20,811.01 : x
  2. Step 2: Convert to fraction form
    36,942.19/50,985.80 = 20,811.01/x
  3. Step 3: Cross multiply
    36,942.19x = 50,985.80 × 20,811.01
  4. Step 4: Simplify right side
    36,942.19x = 1,061,066,267.94
  5. Step 5: Solve for x
    x = 1,061,066,267.94/36,942.19
  6. Step 6: Final answer
    x = 28,722.34

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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.