Home / 31,247.09-46,823.66-12,508.55

Finding the Fourth Proportional to 31,247.09, 46,823.66 and 12,508.55

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Solution

The fourth proportional to 31,247.09, 46,823.66 and 12,508.55 is: 18,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.09 : 46,823.66 = 12,508.55 : x
  2. Step 2: Convert to fraction form
    31,247.09/46,823.66 = 12,508.55/x
  3. Step 3: Cross multiply
    31,247.09x = 46,823.66 × 12,508.55
  4. Step 4: Simplify right side
    31,247.09x = 585,696,029.75
  5. Step 5: Solve for x
    x = 585,696,029.75/31,247.09
  6. Step 6: Final answer
    x = 18,744.02

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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.