Home / 54,261.76-81,393.72-35,660.38

Finding the Fourth Proportional to 54,261.76, 81,393.72 and 35,660.38

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Solution

The fourth proportional to 54,261.76, 81,393.72 and 35,660.38 is: 53,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261.76 : 81,393.72 = 35,660.38 : x
  2. Step 2: Convert to fraction form
    54,261.76/81,393.72 = 35,660.38/x
  3. Step 3: Cross multiply
    54,261.76x = 81,393.72 × 35,660.38
  4. Step 4: Simplify right side
    54,261.76x = 2,902,530,984.81
  5. Step 5: Solve for x
    x = 2,902,530,984.81/54,261.76
  6. Step 6: Final answer
    x = 53,491.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.