Home / 43,028.76-64,484.82-20,797.91

Finding the Fourth Proportional to 43,028.76, 64,484.82 and 20,797.91

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Solution

The fourth proportional to 43,028.76, 64,484.82 and 20,797.91 is: 31,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,028.76 : 64,484.82 = 20,797.91 : x
  2. Step 2: Convert to fraction form
    43,028.76/64,484.82 = 20,797.91/x
  3. Step 3: Cross multiply
    43,028.76x = 64,484.82 × 20,797.91
  4. Step 4: Simplify right side
    43,028.76x = 1,341,149,160.30
  5. Step 5: Solve for x
    x = 1,341,149,160.30/43,028.76
  6. Step 6: Final answer
    x = 31,168.67

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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.