Home / 52,076.25-78,114.41-12,633.37

Finding the Fourth Proportional to 52,076.25, 78,114.41 and 12,633.37

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Solution

The fourth proportional to 52,076.25, 78,114.41 and 12,633.37 is: 18,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,076.25 : 78,114.41 = 12,633.37 : x
  2. Step 2: Convert to fraction form
    52,076.25/78,114.41 = 12,633.37/x
  3. Step 3: Cross multiply
    52,076.25x = 78,114.41 × 12,633.37
  4. Step 4: Simplify right side
    52,076.25x = 986,848,032.78
  5. Step 5: Solve for x
    x = 986,848,032.78/52,076.25
  6. Step 6: Final answer
    x = 18,950.06

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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.