Home / 55,551.72-76,662.90-31,682.28

Finding the Fourth Proportional to 55,551.72, 76,662.90 and 31,682.28

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Solution

The fourth proportional to 55,551.72, 76,662.90 and 31,682.28 is: 43,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551.72 : 76,662.90 = 31,682.28 : x
  2. Step 2: Convert to fraction form
    55,551.72/76,662.90 = 31,682.28/x
  3. Step 3: Cross multiply
    55,551.72x = 76,662.90 × 31,682.28
  4. Step 4: Simplify right side
    55,551.72x = 2,428,855,463.41
  5. Step 5: Solve for x
    x = 2,428,855,463.41/55,551.72
  6. Step 6: Final answer
    x = 43,722.42

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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.