Home / 53,659.89-74,042.73-29,786.76

Finding the Fourth Proportional to 53,659.89, 74,042.73 and 29,786.76

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Solution

The fourth proportional to 53,659.89, 74,042.73 and 29,786.76 is: 41,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,659.89 : 74,042.73 = 29,786.76 : x
  2. Step 2: Convert to fraction form
    53,659.89/74,042.73 = 29,786.76/x
  3. Step 3: Cross multiply
    53,659.89x = 74,042.73 × 29,786.76
  4. Step 4: Simplify right side
    53,659.89x = 2,205,493,028.25
  5. Step 5: Solve for x
    x = 2,205,493,028.25/53,659.89
  6. Step 6: Final answer
    x = 41,101.33

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Half scale
Find fourth proportional to 107,319.78, 148,085.46 and 59,573.52
Double scale
Find fourth proportional to 53,660.89, 74,044.11 and 29,787.76
Similar ratio
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1.5x scale

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.