Home / 55,756.27-76,943.72-30,262.64

Finding the Fourth Proportional to 55,756.27, 76,943.72 and 30,262.64

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Solution

The fourth proportional to 55,756.27, 76,943.72 and 30,262.64 is: 41,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,756.27 : 76,943.72 = 30,262.64 : x
  2. Step 2: Convert to fraction form
    55,756.27/76,943.72 = 30,262.64/x
  3. Step 3: Cross multiply
    55,756.27x = 76,943.72 × 30,262.64
  4. Step 4: Simplify right side
    55,756.27x = 2,328,520,098.62
  5. Step 5: Solve for x
    x = 2,328,520,098.62/55,756.27
  6. Step 6: Final answer
    x = 41,762.48

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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.