Home / 51,968.64-71,716.40-28,095.36

Finding the Fourth Proportional to 51,968.64, 71,716.40 and 28,095.36

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Solution

The fourth proportional to 51,968.64, 71,716.40 and 28,095.36 is: 38,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,968.64 : 71,716.40 = 28,095.36 : x
  2. Step 2: Convert to fraction form
    51,968.64/71,716.40 = 28,095.36/x
  3. Step 3: Cross multiply
    51,968.64x = 71,716.40 × 28,095.36
  4. Step 4: Simplify right side
    51,968.64x = 2,014,898,075.90
  5. Step 5: Solve for x
    x = 2,014,898,075.90/51,968.64
  6. Step 6: Final answer
    x = 38,771.42

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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.