Home / 71,811.56-107,733.32-21,895.54

Finding the Fourth Proportional to 71,811.56, 107,733.32 and 21,895.54

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Solution

The fourth proportional to 71,811.56, 107,733.32 and 21,895.54 is: 32,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,811.56 : 107,733.32 = 21,895.54 : x
  2. Step 2: Convert to fraction form
    71,811.56/107,733.32 = 21,895.54/x
  3. Step 3: Cross multiply
    71,811.56x = 107,733.32 × 21,895.54
  4. Step 4: Simplify right side
    71,811.56x = 2,358,879,217.39
  5. Step 5: Solve for x
    x = 2,358,879,217.39/71,811.56
  6. Step 6: Final answer
    x = 32,848.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.