Home / 31,738.85-47,636.83-16,960.40

Finding the Fourth Proportional to 31,738.85, 47,636.83 and 16,960.40

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Solution

The fourth proportional to 31,738.85, 47,636.83 and 16,960.40 is: 25,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.85 : 47,636.83 = 16,960.40 : x
  2. Step 2: Convert to fraction form
    31,738.85/47,636.83 = 16,960.40/x
  3. Step 3: Cross multiply
    31,738.85x = 47,636.83 × 16,960.40
  4. Step 4: Simplify right side
    31,738.85x = 807,939,831.82
  5. Step 5: Solve for x
    x = 807,939,831.82/31,738.85
  6. Step 6: Final answer
    x = 25,455.86

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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.