Home / 43,739.19-65,640.65-17,451.45

Finding the Fourth Proportional to 43,739.19, 65,640.65 and 17,451.45

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Solution

The fourth proportional to 43,739.19, 65,640.65 and 17,451.45 is: 26,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,739.19 : 65,640.65 = 17,451.45 : x
  2. Step 2: Convert to fraction form
    43,739.19/65,640.65 = 17,451.45/x
  3. Step 3: Cross multiply
    43,739.19x = 65,640.65 × 17,451.45
  4. Step 4: Simplify right side
    43,739.19x = 1,145,524,434.19
  5. Step 5: Solve for x
    x = 1,145,524,434.19/43,739.19
  6. Step 6: Final answer
    x = 26,189.89

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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.