Home / 39,131.64-58,702.02-14,183.43

Finding the Fourth Proportional to 39,131.64, 58,702.02 and 14,183.43

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Solution

The fourth proportional to 39,131.64, 58,702.02 and 14,183.43 is: 21,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.64 : 58,702.02 = 14,183.43 : x
  2. Step 2: Convert to fraction form
    39,131.64/58,702.02 = 14,183.43/x
  3. Step 3: Cross multiply
    39,131.64x = 58,702.02 × 14,183.43
  4. Step 4: Simplify right side
    39,131.64x = 832,595,991.53
  5. Step 5: Solve for x
    x = 832,595,991.53/39,131.64
  6. Step 6: Final answer
    x = 21,276.80

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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.