Home / 55,429.11-83,010.87-40,395.92

Finding the Fourth Proportional to 55,429.11, 83,010.87 and 40,395.92

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Solution

The fourth proportional to 55,429.11, 83,010.87 and 40,395.92 is: 60,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.11 : 83,010.87 = 40,395.92 : x
  2. Step 2: Convert to fraction form
    55,429.11/83,010.87 = 40,395.92/x
  3. Step 3: Cross multiply
    55,429.11x = 83,010.87 × 40,395.92
  4. Step 4: Simplify right side
    55,429.11x = 3,353,300,048.60
  5. Step 5: Solve for x
    x = 3,353,300,048.60/55,429.11
  6. Step 6: Final answer
    x = 60,497.09

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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.