Home / 43,091.68-64,635.64-13,508.84

Finding the Fourth Proportional to 43,091.68, 64,635.64 and 13,508.84

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Solution

The fourth proportional to 43,091.68, 64,635.64 and 13,508.84 is: 20,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,091.68 : 64,635.64 = 13,508.84 : x
  2. Step 2: Convert to fraction form
    43,091.68/64,635.64 = 13,508.84/x
  3. Step 3: Cross multiply
    43,091.68x = 64,635.64 × 13,508.84
  4. Step 4: Simplify right side
    43,091.68x = 873,152,519.06
  5. Step 5: Solve for x
    x = 873,152,519.06/43,091.68
  6. Step 6: Final answer
    x = 20,262.67

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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.