Home / 43,723.23-65,586.90-14,143.37

Finding the Fourth Proportional to 43,723.23, 65,586.90 and 14,143.37

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Solution

The fourth proportional to 43,723.23, 65,586.90 and 14,143.37 is: 21,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723.23 : 65,586.90 = 14,143.37 : x
  2. Step 2: Convert to fraction form
    43,723.23/65,586.90 = 14,143.37/x
  3. Step 3: Cross multiply
    43,723.23x = 65,586.90 × 14,143.37
  4. Step 4: Simplify right side
    43,723.23x = 927,619,723.14
  5. Step 5: Solve for x
    x = 927,619,723.14/43,723.23
  6. Step 6: Final answer
    x = 21,215.72

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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.