Home / 31,208.96-43,065.05-18,462.62

Finding the Fourth Proportional to 31,208.96, 43,065.05 and 18,462.62

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Solution

The fourth proportional to 31,208.96, 43,065.05 and 18,462.62 is: 25,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208.96 : 43,065.05 = 18,462.62 : x
  2. Step 2: Convert to fraction form
    31,208.96/43,065.05 = 18,462.62/x
  3. Step 3: Cross multiply
    31,208.96x = 43,065.05 × 18,462.62
  4. Step 4: Simplify right side
    31,208.96x = 795,093,668.78
  5. Step 5: Solve for x
    x = 795,093,668.78/31,208.96
  6. Step 6: Final answer
    x = 25,476.45

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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.