Home / 31,274.55-46,933.76-13,756.68

Finding the Fourth Proportional to 31,274.55, 46,933.76 and 13,756.68

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Solution

The fourth proportional to 31,274.55, 46,933.76 and 13,756.68 is: 20,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.55 : 46,933.76 = 13,756.68 : x
  2. Step 2: Convert to fraction form
    31,274.55/46,933.76 = 13,756.68/x
  3. Step 3: Cross multiply
    31,274.55x = 46,933.76 × 13,756.68
  4. Step 4: Simplify right side
    31,274.55x = 645,652,751.91
  5. Step 5: Solve for x
    x = 645,652,751.91/31,274.55
  6. Step 6: Final answer
    x = 20,644.67

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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.