Home / 53,564.28-80,373.75-21,998.58

Finding the Fourth Proportional to 53,564.28, 80,373.75 and 21,998.58

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Solution

The fourth proportional to 53,564.28, 80,373.75 and 21,998.58 is: 33,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,564.28 : 80,373.75 = 21,998.58 : x
  2. Step 2: Convert to fraction form
    53,564.28/80,373.75 = 21,998.58/x
  3. Step 3: Cross multiply
    53,564.28x = 80,373.75 × 21,998.58
  4. Step 4: Simplify right side
    53,564.28x = 1,768,108,369.28
  5. Step 5: Solve for x
    x = 1,768,108,369.28/53,564.28
  6. Step 6: Final answer
    x = 33,009.09

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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.