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Finding the Fourth Proportional to 62,184, 85,814.28 and 33,891.60

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Solution

The fourth proportional to 62,184, 85,814.28 and 33,891.60 is: 46,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,184 : 85,814.28 = 33,891.60 : x
  2. Step 2: Convert to fraction form
    62,184/85,814.28 = 33,891.60/x
  3. Step 3: Cross multiply
    62,184x = 85,814.28 × 33,891.60
  4. Step 4: Simplify right side
    62,184x = 2,908,383,252.05
  5. Step 5: Solve for x
    x = 2,908,383,252.05/62,184
  6. Step 6: Final answer
    x = 46,770.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.