Home / 39,092.21-53,946.77-21,186.96

Finding the Fourth Proportional to 39,092.21, 53,946.77 and 21,186.96

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Solution

The fourth proportional to 39,092.21, 53,946.77 and 21,186.96 is: 29,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,092.21 : 53,946.77 = 21,186.96 : x
  2. Step 2: Convert to fraction form
    39,092.21/53,946.77 = 21,186.96/x
  3. Step 3: Cross multiply
    39,092.21x = 53,946.77 × 21,186.96
  4. Step 4: Simplify right side
    39,092.21x = 1,142,968,058.12
  5. Step 5: Solve for x
    x = 1,142,968,058.12/39,092.21
  6. Step 6: Final answer
    x = 29,237.74

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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.