Home / 36,722.72-50,677.22-20,810.21

Finding the Fourth Proportional to 36,722.72, 50,677.22 and 20,810.21

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Solution

The fourth proportional to 36,722.72, 50,677.22 and 20,810.21 is: 28,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,722.72 : 50,677.22 = 20,810.21 : x
  2. Step 2: Convert to fraction form
    36,722.72/50,677.22 = 20,810.21/x
  3. Step 3: Cross multiply
    36,722.72x = 50,677.22 × 20,810.21
  4. Step 4: Simplify right side
    36,722.72x = 1,054,603,232.98
  5. Step 5: Solve for x
    x = 1,054,603,232.98/36,722.72
  6. Step 6: Final answer
    x = 28,718.01

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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.