Home / 55,491.11-76,576.57-30,340.61

Finding the Fourth Proportional to 55,491.11, 76,576.57 and 30,340.61

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Solution

The fourth proportional to 55,491.11, 76,576.57 and 30,340.61 is: 41,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.11 : 76,576.57 = 30,340.61 : x
  2. Step 2: Convert to fraction form
    55,491.11/76,576.57 = 30,340.61/x
  3. Step 3: Cross multiply
    55,491.11x = 76,576.57 × 30,340.61
  4. Step 4: Simplify right side
    55,491.11x = 2,323,379,845.51
  5. Step 5: Solve for x
    x = 2,323,379,845.51/55,491.11
  6. Step 6: Final answer
    x = 41,869.41

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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.