Home / 68,865.52-103,284.68-18,932.74

Finding the Fourth Proportional to 68,865.52, 103,284.68 and 18,932.74

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Solution

The fourth proportional to 68,865.52, 103,284.68 and 18,932.74 is: 28,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,865.52 : 103,284.68 = 18,932.74 : x
  2. Step 2: Convert to fraction form
    68,865.52/103,284.68 = 18,932.74/x
  3. Step 3: Cross multiply
    68,865.52x = 103,284.68 × 18,932.74
  4. Step 4: Simplify right side
    68,865.52x = 1,955,461,992.42
  5. Step 5: Solve for x
    x = 1,955,461,992.42/68,865.52
  6. Step 6: Final answer
    x = 28,395.37

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1.5x scale

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.