Home / 31,568.85-47,353.34-12,835.67

Finding the Fourth Proportional to 31,568.85, 47,353.34 and 12,835.67

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Solution

The fourth proportional to 31,568.85, 47,353.34 and 12,835.67 is: 19,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568.85 : 47,353.34 = 12,835.67 : x
  2. Step 2: Convert to fraction form
    31,568.85/47,353.34 = 12,835.67/x
  3. Step 3: Cross multiply
    31,568.85x = 47,353.34 × 12,835.67
  4. Step 4: Simplify right side
    31,568.85x = 607,811,640.96
  5. Step 5: Solve for x
    x = 607,811,640.96/31,568.85
  6. Step 6: Final answer
    x = 19,253.52

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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.