Home / 35,979.84-49,648.56-20,062.80

Finding the Fourth Proportional to 35,979.84, 49,648.56 and 20,062.80

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Solution

The fourth proportional to 35,979.84, 49,648.56 and 20,062.80 is: 27,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.84 : 49,648.56 = 20,062.80 : x
  2. Step 2: Convert to fraction form
    35,979.84/49,648.56 = 20,062.80/x
  3. Step 3: Cross multiply
    35,979.84x = 49,648.56 × 20,062.80
  4. Step 4: Simplify right side
    35,979.84x = 996,089,129.57
  5. Step 5: Solve for x
    x = 996,089,129.57/35,979.84
  6. Step 6: Final answer
    x = 27,684.65

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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.