Home / 43,491.09-65,245.94-13,504.67

Finding the Fourth Proportional to 43,491.09, 65,245.94 and 13,504.67

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Solution

The fourth proportional to 43,491.09, 65,245.94 and 13,504.67 is: 20,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,491.09 : 65,245.94 = 13,504.67 : x
  2. Step 2: Convert to fraction form
    43,491.09/65,245.94 = 13,504.67/x
  3. Step 3: Cross multiply
    43,491.09x = 65,245.94 × 13,504.67
  4. Step 4: Simplify right side
    43,491.09x = 881,124,494.79
  5. Step 5: Solve for x
    x = 881,124,494.79/43,491.09
  6. Step 6: Final answer
    x = 20,259.89

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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.