Home / 31,373.94-47,048.61-11,378.67

Finding the Fourth Proportional to 31,373.94, 47,048.61 and 11,378.67

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Solution

The fourth proportional to 31,373.94, 47,048.61 and 11,378.67 is: 17,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.94 : 47,048.61 = 11,378.67 : x
  2. Step 2: Convert to fraction form
    31,373.94/47,048.61 = 11,378.67/x
  3. Step 3: Cross multiply
    31,373.94x = 47,048.61 × 11,378.67
  4. Step 4: Simplify right side
    31,373.94x = 535,350,607.15
  5. Step 5: Solve for x
    x = 535,350,607.15/31,373.94
  6. Step 6: Final answer
    x = 17,063.54

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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.