Home / 43,660.80-65,516.61-18,358.48

Finding the Fourth Proportional to 43,660.80, 65,516.61 and 18,358.48

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Solution

The fourth proportional to 43,660.80, 65,516.61 and 18,358.48 is: 27,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,660.80 : 65,516.61 = 18,358.48 : x
  2. Step 2: Convert to fraction form
    43,660.80/65,516.61 = 18,358.48/x
  3. Step 3: Cross multiply
    43,660.80x = 65,516.61 × 18,358.48
  4. Step 4: Simplify right side
    43,660.80x = 1,202,785,421.83
  5. Step 5: Solve for x
    x = 1,202,785,421.83/43,660.80
  6. Step 6: Final answer
    x = 27,548.41

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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.