Home / 51,977.25-77,970.74-16,907.49

Finding the Fourth Proportional to 51,977.25, 77,970.74 and 16,907.49

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Solution

The fourth proportional to 51,977.25, 77,970.74 and 16,907.49 is: 25,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.25 : 77,970.74 = 16,907.49 : x
  2. Step 2: Convert to fraction form
    51,977.25/77,970.74 = 16,907.49/x
  3. Step 3: Cross multiply
    51,977.25x = 77,970.74 × 16,907.49
  4. Step 4: Simplify right side
    51,977.25x = 1,318,289,422.31
  5. Step 5: Solve for x
    x = 1,318,289,422.31/51,977.25
  6. Step 6: Final answer
    x = 25,362.82

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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.