Home / 31,315.56-46,975.55-12,595.70

Finding the Fourth Proportional to 31,315.56, 46,975.55 and 12,595.70

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Solution

The fourth proportional to 31,315.56, 46,975.55 and 12,595.70 is: 18,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.56 : 46,975.55 = 12,595.70 : x
  2. Step 2: Convert to fraction form
    31,315.56/46,975.55 = 12,595.70/x
  3. Step 3: Cross multiply
    31,315.56x = 46,975.55 × 12,595.70
  4. Step 4: Simplify right side
    31,315.56x = 591,689,989.60
  5. Step 5: Solve for x
    x = 591,689,989.60/31,315.56
  6. Step 6: Final answer
    x = 18,894.44

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1.5x scale

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.