Home / 51,010.07-70,392.21-28,039.97

Finding the Fourth Proportional to 51,010.07, 70,392.21 and 28,039.97

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Solution

The fourth proportional to 51,010.07, 70,392.21 and 28,039.97 is: 38,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,010.07 : 70,392.21 = 28,039.97 : x
  2. Step 2: Convert to fraction form
    51,010.07/70,392.21 = 28,039.97/x
  3. Step 3: Cross multiply
    51,010.07x = 70,392.21 × 28,039.97
  4. Step 4: Simplify right side
    51,010.07x = 1,973,795,456.63
  5. Step 5: Solve for x
    x = 1,973,795,456.63/51,010.07
  6. Step 6: Final answer
    x = 38,694.23

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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.