Home / 31,043.82-46,340.36-28,730.94

Finding the Fourth Proportional to 31,043.82, 46,340.36 and 28,730.94

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Solution

The fourth proportional to 31,043.82, 46,340.36 and 28,730.94 is: 42,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,043.82 : 46,340.36 = 28,730.94 : x
  2. Step 2: Convert to fraction form
    31,043.82/46,340.36 = 28,730.94/x
  3. Step 3: Cross multiply
    31,043.82x = 46,340.36 × 28,730.94
  4. Step 4: Simplify right side
    31,043.82x = 1,331,401,959.08
  5. Step 5: Solve for x
    x = 1,331,401,959.08/31,043.82
  6. Step 6: Final answer
    x = 42,887.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.