Home / 31,276.55-46,936.76-13,758.68

Finding the Fourth Proportional to 31,276.55, 46,936.76 and 13,758.68

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Solution

The fourth proportional to 31,276.55, 46,936.76 and 13,758.68 is: 20,647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.55 : 46,936.76 = 13,758.68 : x
  2. Step 2: Convert to fraction form
    31,276.55/46,936.76 = 13,758.68/x
  3. Step 3: Cross multiply
    31,276.55x = 46,936.76 × 13,758.68
  4. Step 4: Simplify right side
    31,276.55x = 645,787,861.08
  5. Step 5: Solve for x
    x = 645,787,861.08/31,276.55
  6. Step 6: Final answer
    x = 20,647.67

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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.