Home / 43,679.28-65,529.96-18,706.80

Finding the Fourth Proportional to 43,679.28, 65,529.96 and 18,706.80

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Solution

The fourth proportional to 43,679.28, 65,529.96 and 18,706.80 is: 28,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,679.28 : 65,529.96 = 18,706.80 : x
  2. Step 2: Convert to fraction form
    43,679.28/65,529.96 = 18,706.80/x
  3. Step 3: Cross multiply
    43,679.28x = 65,529.96 × 18,706.80
  4. Step 4: Simplify right side
    43,679.28x = 1,225,855,855.73
  5. Step 5: Solve for x
    x = 1,225,855,855.73/43,679.28
  6. Step 6: Final answer
    x = 28,064.93

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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.