Home / 31,144.02-46,687.26-12,419.52

Finding the Fourth Proportional to 31,144.02, 46,687.26 and 12,419.52

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Solution

The fourth proportional to 31,144.02, 46,687.26 and 12,419.52 is: 18,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144.02 : 46,687.26 = 12,419.52 : x
  2. Step 2: Convert to fraction form
    31,144.02/46,687.26 = 12,419.52/x
  3. Step 3: Cross multiply
    31,144.02x = 46,687.26 × 12,419.52
  4. Step 4: Simplify right side
    31,144.02x = 579,833,359.32
  5. Step 5: Solve for x
    x = 579,833,359.32/31,144.02
  6. Step 6: Final answer
    x = 18,617.81

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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.