Home / 39,929.22-55,102.48-22,023.97

Finding the Fourth Proportional to 39,929.22, 55,102.48 and 22,023.97

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Solution

The fourth proportional to 39,929.22, 55,102.48 and 22,023.97 is: 30,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.22 : 55,102.48 = 22,023.97 : x
  2. Step 2: Convert to fraction form
    39,929.22/55,102.48 = 22,023.97/x
  3. Step 3: Cross multiply
    39,929.22x = 55,102.48 × 22,023.97
  4. Step 4: Simplify right side
    39,929.22x = 1,213,575,173.63
  5. Step 5: Solve for x
    x = 1,213,575,173.63/39,929.22
  6. Step 6: Final answer
    x = 30,393.16

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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.