Home / 31,827.53-47,743.73-9,642.75

Finding the Fourth Proportional to 31,827.53, 47,743.73 and 9,642.75

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Solution

The fourth proportional to 31,827.53, 47,743.73 and 9,642.75 is: 14,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.53 : 47,743.73 = 9,642.75 : x
  2. Step 2: Convert to fraction form
    31,827.53/47,743.73 = 9,642.75/x
  3. Step 3: Cross multiply
    31,827.53x = 47,743.73 × 9,642.75
  4. Step 4: Simplify right side
    31,827.53x = 460,380,661.37
  5. Step 5: Solve for x
    x = 460,380,661.37/31,827.53
  6. Step 6: Final answer
    x = 14,464.86

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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.