Home / 55,554.66-76,661.64-31,682.34

Finding the Fourth Proportional to 55,554.66, 76,661.64 and 31,682.34

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Solution

The fourth proportional to 55,554.66, 76,661.64 and 31,682.34 is: 43,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,554.66 : 76,661.64 = 31,682.34 : x
  2. Step 2: Convert to fraction form
    55,554.66/76,661.64 = 31,682.34/x
  3. Step 3: Cross multiply
    55,554.66x = 76,661.64 × 31,682.34
  4. Step 4: Simplify right side
    55,554.66x = 2,428,820,143.44
  5. Step 5: Solve for x
    x = 2,428,820,143.44/55,554.66
  6. Step 6: Final answer
    x = 43,719.47

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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.