Home / 51,369.72-77,076.84-18,113.54

Finding the Fourth Proportional to 51,369.72, 77,076.84 and 18,113.54

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Solution

The fourth proportional to 51,369.72, 77,076.84 and 18,113.54 is: 27,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,369.72 : 77,076.84 = 18,113.54 : x
  2. Step 2: Convert to fraction form
    51,369.72/77,076.84 = 18,113.54/x
  3. Step 3: Cross multiply
    51,369.72x = 77,076.84 × 18,113.54
  4. Step 4: Simplify right side
    51,369.72x = 1,396,134,424.41
  5. Step 5: Solve for x
    x = 1,396,134,424.41/51,369.72
  6. Step 6: Final answer
    x = 27,178.16

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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.