Home / 36,121.41-49,845.60-21,011.67

Finding the Fourth Proportional to 36,121.41, 49,845.60 and 21,011.67

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Solution

The fourth proportional to 36,121.41, 49,845.60 and 21,011.67 is: 28,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.41 : 49,845.60 = 21,011.67 : x
  2. Step 2: Convert to fraction form
    36,121.41/49,845.60 = 21,011.67/x
  3. Step 3: Cross multiply
    36,121.41x = 49,845.60 × 21,011.67
  4. Step 4: Simplify right side
    36,121.41x = 1,047,339,298.15
  5. Step 5: Solve for x
    x = 1,047,339,298.15/36,121.41
  6. Step 6: Final answer
    x = 28,994.97

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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.