Home / 51,357.56-70,876.73-28,696.62

Finding the Fourth Proportional to 51,357.56, 70,876.73 and 28,696.62

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Solution

The fourth proportional to 51,357.56, 70,876.73 and 28,696.62 is: 39,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,357.56 : 70,876.73 = 28,696.62 : x
  2. Step 2: Convert to fraction form
    51,357.56/70,876.73 = 28,696.62/x
  3. Step 3: Cross multiply
    51,357.56x = 70,876.73 × 28,696.62
  4. Step 4: Simplify right side
    51,357.56x = 2,033,922,659.39
  5. Step 5: Solve for x
    x = 2,033,922,659.39/51,357.56
  6. Step 6: Final answer
    x = 39,603.18

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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.