Home / 43,722.73-65,586.15-14,142.87

Finding the Fourth Proportional to 43,722.73, 65,586.15 and 14,142.87

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Solution

The fourth proportional to 43,722.73, 65,586.15 and 14,142.87 is: 21,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.73 : 65,586.15 = 14,142.87 : x
  2. Step 2: Convert to fraction form
    43,722.73/65,586.15 = 14,142.87/x
  3. Step 3: Cross multiply
    43,722.73x = 65,586.15 × 14,142.87
  4. Step 4: Simplify right side
    43,722.73x = 927,576,322.54
  5. Step 5: Solve for x
    x = 927,576,322.54/43,722.73
  6. Step 6: Final answer
    x = 21,214.97

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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.