Home / 31,315.74-46,975.83-12,595.88

Finding the Fourth Proportional to 31,315.74, 46,975.83 and 12,595.88

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Solution

The fourth proportional to 31,315.74, 46,975.83 and 12,595.88 is: 18,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.74 : 46,975.83 = 12,595.88 : x
  2. Step 2: Convert to fraction form
    31,315.74/46,975.83 = 12,595.88/x
  3. Step 3: Cross multiply
    31,315.74x = 46,975.83 × 12,595.88
  4. Step 4: Simplify right side
    31,315.74x = 591,701,682.70
  5. Step 5: Solve for x
    x = 591,701,682.70/31,315.74
  6. Step 6: Final answer
    x = 18,894.71

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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.