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Finding the Fourth Proportional to 55,681.94, 76,844.22 and 33,034.34

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Solution

The fourth proportional to 55,681.94, 76,844.22 and 33,034.34 is: 45,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,681.94 : 76,844.22 = 33,034.34 : x
  2. Step 2: Convert to fraction form
    55,681.94/76,844.22 = 33,034.34/x
  3. Step 3: Cross multiply
    55,681.94x = 76,844.22 × 33,034.34
  4. Step 4: Simplify right side
    55,681.94x = 2,538,498,090.51
  5. Step 5: Solve for x
    x = 2,538,498,090.51/55,681.94
  6. Step 6: Final answer
    x = 45,589.25

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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.