Home / 43,564.46-65,352.75-13,991.36

Finding the Fourth Proportional to 43,564.46, 65,352.75 and 13,991.36

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Solution

The fourth proportional to 43,564.46, 65,352.75 and 13,991.36 is: 20,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.46 : 65,352.75 = 13,991.36 : x
  2. Step 2: Convert to fraction form
    43,564.46/65,352.75 = 13,991.36/x
  3. Step 3: Cross multiply
    43,564.46x = 65,352.75 × 13,991.36
  4. Step 4: Simplify right side
    43,564.46x = 914,373,782.28
  5. Step 5: Solve for x
    x = 914,373,782.28/43,564.46
  6. Step 6: Final answer
    x = 20,988.98

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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.