Home / 52,063.09-78,093.95-12,620.56

Finding the Fourth Proportional to 52,063.09, 78,093.95 and 12,620.56

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Solution

The fourth proportional to 52,063.09, 78,093.95 and 12,620.56 is: 18,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,063.09 : 78,093.95 = 12,620.56 : x
  2. Step 2: Convert to fraction form
    52,063.09/78,093.95 = 12,620.56/x
  3. Step 3: Cross multiply
    52,063.09x = 78,093.95 × 12,620.56
  4. Step 4: Simplify right side
    52,063.09x = 985,589,318.51
  5. Step 5: Solve for x
    x = 985,589,318.51/52,063.09
  6. Step 6: Final answer
    x = 18,930.67

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1.5x scale

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.