Home / 53,853.20-80,659.52-39,028.08

Finding the Fourth Proportional to 53,853.20, 80,659.52 and 39,028.08

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Solution

The fourth proportional to 53,853.20, 80,659.52 and 39,028.08 is: 58,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.20 : 80,659.52 = 39,028.08 : x
  2. Step 2: Convert to fraction form
    53,853.20/80,659.52 = 39,028.08/x
  3. Step 3: Cross multiply
    53,853.20x = 80,659.52 × 39,028.08
  4. Step 4: Simplify right side
    53,853.20x = 3,147,986,109.07
  5. Step 5: Solve for x
    x = 3,147,986,109.07/53,853.20
  6. Step 6: Final answer
    x = 58,454.95

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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.