Home / 55,986.30-83,977.65-18,548.10

Finding the Fourth Proportional to 55,986.30, 83,977.65 and 18,548.10

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Solution

The fourth proportional to 55,986.30, 83,977.65 and 18,548.10 is: 27,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.30 : 83,977.65 = 18,548.10 : x
  2. Step 2: Convert to fraction form
    55,986.30/83,977.65 = 18,548.10/x
  3. Step 3: Cross multiply
    55,986.30x = 83,977.65 × 18,548.10
  4. Step 4: Simplify right side
    55,986.30x = 1,557,625,849.97
  5. Step 5: Solve for x
    x = 1,557,625,849.97/55,986.30
  6. Step 6: Final answer
    x = 27,821.55

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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.