Home / 31,276.41-46,917.21-9,089.79

Finding the Fourth Proportional to 31,276.41, 46,917.21 and 9,089.79

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Solution

The fourth proportional to 31,276.41, 46,917.21 and 9,089.79 is: 13,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.41 : 46,917.21 = 9,089.79 : x
  2. Step 2: Convert to fraction form
    31,276.41/46,917.21 = 9,089.79/x
  3. Step 3: Cross multiply
    31,276.41x = 46,917.21 × 9,089.79
  4. Step 4: Simplify right side
    31,276.41x = 426,467,586.29
  5. Step 5: Solve for x
    x = 426,467,586.29/31,276.41
  6. Step 6: Final answer
    x = 13,635.44

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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.