Home / 43,305.49-64,960.04-13,722.67

Finding the Fourth Proportional to 43,305.49, 64,960.04 and 13,722.67

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Solution

The fourth proportional to 43,305.49, 64,960.04 and 13,722.67 is: 20,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,305.49 : 64,960.04 = 13,722.67 : x
  2. Step 2: Convert to fraction form
    43,305.49/64,960.04 = 13,722.67/x
  3. Step 3: Cross multiply
    43,305.49x = 64,960.04 × 13,722.67
  4. Step 4: Simplify right side
    43,305.49x = 891,424,798.69
  5. Step 5: Solve for x
    x = 891,424,798.69/43,305.49
  6. Step 6: Final answer
    x = 20,584.57

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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.