Home / 55,013.91-82,268.73-40,983.63

Finding the Fourth Proportional to 55,013.91, 82,268.73 and 40,983.63

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Solution

The fourth proportional to 55,013.91, 82,268.73 and 40,983.63 is: 61,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013.91 : 82,268.73 = 40,983.63 : x
  2. Step 2: Convert to fraction form
    55,013.91/82,268.73 = 40,983.63/x
  3. Step 3: Cross multiply
    55,013.91x = 82,268.73 × 40,983.63
  4. Step 4: Simplify right side
    55,013.91x = 3,371,671,190.89
  5. Step 5: Solve for x
    x = 3,371,671,190.89/55,013.91
  6. Step 6: Final answer
    x = 61,287.61

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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.