Home / 36,089.46-49,806.11-20,172.90

Finding the Fourth Proportional to 36,089.46, 49,806.11 and 20,172.90

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Solution

The fourth proportional to 36,089.46, 49,806.11 and 20,172.90 is: 27,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089.46 : 49,806.11 = 20,172.90 : x
  2. Step 2: Convert to fraction form
    36,089.46/49,806.11 = 20,172.90/x
  3. Step 3: Cross multiply
    36,089.46x = 49,806.11 × 20,172.90
  4. Step 4: Simplify right side
    36,089.46x = 1,004,733,575.55
  5. Step 5: Solve for x
    x = 1,004,733,575.55/36,089.46
  6. Step 6: Final answer
    x = 27,840.08

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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.