Home / 51,277.87-76,907.08-21,716.47

Finding the Fourth Proportional to 51,277.87, 76,907.08 and 21,716.47

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Solution

The fourth proportional to 51,277.87, 76,907.08 and 21,716.47 is: 32,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.87 : 76,907.08 = 21,716.47 : x
  2. Step 2: Convert to fraction form
    51,277.87/76,907.08 = 21,716.47/x
  3. Step 3: Cross multiply
    51,277.87x = 76,907.08 × 21,716.47
  4. Step 4: Simplify right side
    51,277.87x = 1,670,150,295.61
  5. Step 5: Solve for x
    x = 1,670,150,295.61/51,277.87
  6. Step 6: Final answer
    x = 32,570.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.