Home / 31,080.41-46,620.28-18,603.92

Finding the Fourth Proportional to 31,080.41, 46,620.28 and 18,603.92

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Solution

The fourth proportional to 31,080.41, 46,620.28 and 18,603.92 is: 27,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080.41 : 46,620.28 = 18,603.92 : x
  2. Step 2: Convert to fraction form
    31,080.41/46,620.28 = 18,603.92/x
  3. Step 3: Cross multiply
    31,080.41x = 46,620.28 × 18,603.92
  4. Step 4: Simplify right side
    31,080.41x = 867,320,029.54
  5. Step 5: Solve for x
    x = 867,320,029.54/31,080.41
  6. Step 6: Final answer
    x = 27,905.68

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1.5x scale

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.