Home / 51,796.54-77,683.57-18,518.90

Finding the Fourth Proportional to 51,796.54, 77,683.57 and 18,518.90

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Solution

The fourth proportional to 51,796.54, 77,683.57 and 18,518.90 is: 27,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,796.54 : 77,683.57 = 18,518.90 : x
  2. Step 2: Convert to fraction form
    51,796.54/77,683.57 = 18,518.90/x
  3. Step 3: Cross multiply
    51,796.54x = 77,683.57 × 18,518.90
  4. Step 4: Simplify right side
    51,796.54x = 1,438,614,412.38
  5. Step 5: Solve for x
    x = 1,438,614,412.38/51,796.54
  6. Step 6: Final answer
    x = 27,774.34

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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.