Home / 31,739.09-43,800.50-17,397.96

Finding the Fourth Proportional to 31,739.09, 43,800.50 and 17,397.96

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Solution

The fourth proportional to 31,739.09, 43,800.50 and 17,397.96 is: 24,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.09 : 43,800.50 = 17,397.96 : x
  2. Step 2: Convert to fraction form
    31,739.09/43,800.50 = 17,397.96/x
  3. Step 3: Cross multiply
    31,739.09x = 43,800.50 × 17,397.96
  4. Step 4: Simplify right side
    31,739.09x = 762,039,259.99
  5. Step 5: Solve for x
    x = 762,039,259.99/31,739.09
  6. Step 6: Final answer
    x = 24,009.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.