Home / 31,216.47-46,823.32-9,029.35

Finding the Fourth Proportional to 31,216.47, 46,823.32 and 9,029.35

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Solution

The fourth proportional to 31,216.47, 46,823.32 and 9,029.35 is: 13,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,216.47 : 46,823.32 = 9,029.35 : x
  2. Step 2: Convert to fraction form
    31,216.47/46,823.32 = 9,029.35/x
  3. Step 3: Cross multiply
    31,216.47x = 46,823.32 × 9,029.35
  4. Step 4: Simplify right side
    31,216.47x = 422,784,144.44
  5. Step 5: Solve for x
    x = 422,784,144.44/31,216.47
  6. Step 6: Final answer
    x = 13,543.62

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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.