Home / 43,741.79-65,624.15-13,754.81

Finding the Fourth Proportional to 43,741.79, 65,624.15 and 13,754.81

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Solution

The fourth proportional to 43,741.79, 65,624.15 and 13,754.81 is: 20,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,741.79 : 65,624.15 = 13,754.81 : x
  2. Step 2: Convert to fraction form
    43,741.79/65,624.15 = 13,754.81/x
  3. Step 3: Cross multiply
    43,741.79x = 65,624.15 × 13,754.81
  4. Step 4: Simplify right side
    43,741.79x = 902,647,913.11
  5. Step 5: Solve for x
    x = 902,647,913.11/43,741.79
  6. Step 6: Final answer
    x = 20,635.83

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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.