Home / 43,564.80-65,342.09-13,581.27

Finding the Fourth Proportional to 43,564.80, 65,342.09 and 13,581.27

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Solution

The fourth proportional to 43,564.80, 65,342.09 and 13,581.27 is: 20,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.80 : 65,342.09 = 13,581.27 : x
  2. Step 2: Convert to fraction form
    43,564.80/65,342.09 = 13,581.27/x
  3. Step 3: Cross multiply
    43,564.80x = 65,342.09 × 13,581.27
  4. Step 4: Simplify right side
    43,564.80x = 887,428,600.61
  5. Step 5: Solve for x
    x = 887,428,600.61/43,564.80
  6. Step 6: Final answer
    x = 20,370.31

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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.