Home / 51,477.31-77,222.21-18,190.56

Finding the Fourth Proportional to 51,477.31, 77,222.21 and 18,190.56

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Solution

The fourth proportional to 51,477.31, 77,222.21 and 18,190.56 is: 27,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,477.31 : 77,222.21 = 18,190.56 : x
  2. Step 2: Convert to fraction form
    51,477.31/77,222.21 = 18,190.56/x
  3. Step 3: Cross multiply
    51,477.31x = 77,222.21 × 18,190.56
  4. Step 4: Simplify right side
    51,477.31x = 1,404,715,244.34
  5. Step 5: Solve for x
    x = 1,404,715,244.34/51,477.31
  6. Step 6: Final answer
    x = 27,288.05

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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.