Home / 21,982.35-32,973.56-5,342.39

Finding the Fourth Proportional to 21,982.35, 32,973.56 and 5,342.39

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Solution

The fourth proportional to 21,982.35, 32,973.56 and 5,342.39 is: 8,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.35 : 32,973.56 = 5,342.39 : x
  2. Step 2: Convert to fraction form
    21,982.35/32,973.56 = 5,342.39/x
  3. Step 3: Cross multiply
    21,982.35x = 32,973.56 × 5,342.39
  4. Step 4: Simplify right side
    21,982.35x = 176,157,617.21
  5. Step 5: Solve for x
    x = 176,157,617.21/21,982.35
  6. Step 6: Final answer
    x = 8,013.59

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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.