Home / 53,481.74-73,812.60-30,816.36

Finding the Fourth Proportional to 53,481.74, 73,812.60 and 30,816.36

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Solution

The fourth proportional to 53,481.74, 73,812.60 and 30,816.36 is: 42,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,481.74 : 73,812.60 = 30,816.36 : x
  2. Step 2: Convert to fraction form
    53,481.74/73,812.60 = 30,816.36/x
  3. Step 3: Cross multiply
    53,481.74x = 73,812.60 × 30,816.36
  4. Step 4: Simplify right side
    53,481.74x = 2,274,635,654.14
  5. Step 5: Solve for x
    x = 2,274,635,654.14/53,481.74
  6. Step 6: Final answer
    x = 42,531.07

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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.