Home / 51,828.96-77,665.68-31,029.60

Finding the Fourth Proportional to 51,828.96, 77,665.68 and 31,029.60

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Solution

The fourth proportional to 51,828.96, 77,665.68 and 31,029.60 is: 46,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,828.96 : 77,665.68 = 31,029.60 : x
  2. Step 2: Convert to fraction form
    51,828.96/77,665.68 = 31,029.60/x
  3. Step 3: Cross multiply
    51,828.96x = 77,665.68 × 31,029.60
  4. Step 4: Simplify right side
    51,828.96x = 2,409,934,984.13
  5. Step 5: Solve for x
    x = 2,409,934,984.13/51,828.96
  6. Step 6: Final answer
    x = 46,497.85

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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.