Home / 55,825.61-83,743.70-18,385.79

Finding the Fourth Proportional to 55,825.61, 83,743.70 and 18,385.79

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Solution

The fourth proportional to 55,825.61, 83,743.70 and 18,385.79 is: 27,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825.61 : 83,743.70 = 18,385.79 : x
  2. Step 2: Convert to fraction form
    55,825.61/83,743.70 = 18,385.79/x
  3. Step 3: Cross multiply
    55,825.61x = 83,743.70 × 18,385.79
  4. Step 4: Simplify right side
    55,825.61x = 1,539,693,571.38
  5. Step 5: Solve for x
    x = 1,539,693,571.38/55,825.61
  6. Step 6: Final answer
    x = 27,580.42

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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.