Home / 43,650.76-65,478.72-13,670.60

Finding the Fourth Proportional to 43,650.76, 65,478.72 and 13,670.60

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Solution

The fourth proportional to 43,650.76, 65,478.72 and 13,670.60 is: 20,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,650.76 : 65,478.72 = 13,670.60 : x
  2. Step 2: Convert to fraction form
    43,650.76/65,478.72 = 13,670.60/x
  3. Step 3: Cross multiply
    43,650.76x = 65,478.72 × 13,670.60
  4. Step 4: Simplify right side
    43,650.76x = 895,133,389.63
  5. Step 5: Solve for x
    x = 895,133,389.63/43,650.76
  6. Step 6: Final answer
    x = 20,506.71

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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.