Home / 51,645.06-71,270.82-28,988.94

Finding the Fourth Proportional to 51,645.06, 71,270.82 and 28,988.94

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Solution

The fourth proportional to 51,645.06, 71,270.82 and 28,988.94 is: 40,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,645.06 : 71,270.82 = 28,988.94 : x
  2. Step 2: Convert to fraction form
    51,645.06/71,270.82 = 28,988.94/x
  3. Step 3: Cross multiply
    51,645.06x = 71,270.82 × 28,988.94
  4. Step 4: Simplify right side
    51,645.06x = 2,066,065,524.73
  5. Step 5: Solve for x
    x = 2,066,065,524.73/51,645.06
  6. Step 6: Final answer
    x = 40,005.09

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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.