Home / 31,247.18-46,873.77-8,757.87

Finding the Fourth Proportional to 31,247.18, 46,873.77 and 8,757.87

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Solution

The fourth proportional to 31,247.18, 46,873.77 and 8,757.87 is: 13,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.18 : 46,873.77 = 8,757.87 : x
  2. Step 2: Convert to fraction form
    31,247.18/46,873.77 = 8,757.87/x
  3. Step 3: Cross multiply
    31,247.18x = 46,873.77 × 8,757.87
  4. Step 4: Simplify right side
    31,247.18x = 410,514,384.07
  5. Step 5: Solve for x
    x = 410,514,384.07/31,247.18
  6. Step 6: Final answer
    x = 13,137.65

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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.