Home / 31,013.20-46,519.80-28,826.20

Finding the Fourth Proportional to 31,013.20, 46,519.80 and 28,826.20

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Solution

The fourth proportional to 31,013.20, 46,519.80 and 28,826.20 is: 43,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.20 : 46,519.80 = 28,826.20 : x
  2. Step 2: Convert to fraction form
    31,013.20/46,519.80 = 28,826.20/x
  3. Step 3: Cross multiply
    31,013.20x = 46,519.80 × 28,826.20
  4. Step 4: Simplify right side
    31,013.20x = 1,340,989,058.76
  5. Step 5: Solve for x
    x = 1,340,989,058.76/31,013.20
  6. Step 6: Final answer
    x = 43,239.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.