Home / 51,357.31-70,873.18-28,696.34

Finding the Fourth Proportional to 51,357.31, 70,873.18 and 28,696.34

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Solution

The fourth proportional to 51,357.31, 70,873.18 and 28,696.34 is: 39,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,357.31 : 70,873.18 = 28,696.34 : x
  2. Step 2: Convert to fraction form
    51,357.31/70,873.18 = 28,696.34/x
  3. Step 3: Cross multiply
    51,357.31x = 70,873.18 × 28,696.34
  4. Step 4: Simplify right side
    51,357.31x = 2,033,800,975.60
  5. Step 5: Solve for x
    x = 2,033,800,975.60/51,357.31
  6. Step 6: Final answer
    x = 39,601.00

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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.