Home / 38,559.96-53,212.37-21,564.01

Finding the Fourth Proportional to 38,559.96, 53,212.37 and 21,564.01

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Solution

The fourth proportional to 38,559.96, 53,212.37 and 21,564.01 is: 29,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.96 : 53,212.37 = 21,564.01 : x
  2. Step 2: Convert to fraction form
    38,559.96/53,212.37 = 21,564.01/x
  3. Step 3: Cross multiply
    38,559.96x = 53,212.37 × 21,564.01
  4. Step 4: Simplify right side
    38,559.96x = 1,147,472,078.80
  5. Step 5: Solve for x
    x = 1,147,472,078.80/38,559.96
  6. Step 6: Final answer
    x = 29,758.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.