Home / 51,795.79-77,682.44-18,518.15

Finding the Fourth Proportional to 51,795.79, 77,682.44 and 18,518.15

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Solution

The fourth proportional to 51,795.79, 77,682.44 and 18,518.15 is: 27,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,795.79 : 77,682.44 = 18,518.15 : x
  2. Step 2: Convert to fraction form
    51,795.79/77,682.44 = 18,518.15/x
  3. Step 3: Cross multiply
    51,795.79x = 77,682.44 × 18,518.15
  4. Step 4: Simplify right side
    51,795.79x = 1,438,535,316.79
  5. Step 5: Solve for x
    x = 1,438,535,316.79/51,795.79
  6. Step 6: Final answer
    x = 27,773.21

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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.