Home / 55,521.80-83,287.71-18,072.16

Finding the Fourth Proportional to 55,521.80, 83,287.71 and 18,072.16

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Solution

The fourth proportional to 55,521.80, 83,287.71 and 18,072.16 is: 27,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,521.80 : 83,287.71 = 18,072.16 : x
  2. Step 2: Convert to fraction form
    55,521.80/83,287.71 = 18,072.16/x
  3. Step 3: Cross multiply
    55,521.80x = 83,287.71 × 18,072.16
  4. Step 4: Simplify right side
    55,521.80x = 1,505,188,612.93
  5. Step 5: Solve for x
    x = 1,505,188,612.93/55,521.80
  6. Step 6: Final answer
    x = 27,109.87

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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.