Home / 53,853.90-80,784.45-18,314.70

Finding the Fourth Proportional to 53,853.90, 80,784.45 and 18,314.70

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Solution

The fourth proportional to 53,853.90, 80,784.45 and 18,314.70 is: 27,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.90 : 80,784.45 = 18,314.70 : x
  2. Step 2: Convert to fraction form
    53,853.90/80,784.45 = 18,314.70/x
  3. Step 3: Cross multiply
    53,853.90x = 80,784.45 × 18,314.70
  4. Step 4: Simplify right side
    53,853.90x = 1,479,542,966.42
  5. Step 5: Solve for x
    x = 1,479,542,966.42/53,853.90
  6. Step 6: Final answer
    x = 27,473.27

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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.