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Finding the Fourth Proportional to 62,310.84, 85,987.62 and 34,017

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Solution

The fourth proportional to 62,310.84, 85,987.62 and 34,017 is: 46,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,310.84 : 85,987.62 = 34,017 : x
  2. Step 2: Convert to fraction form
    62,310.84/85,987.62 = 34,017/x
  3. Step 3: Cross multiply
    62,310.84x = 85,987.62 × 34,017
  4. Step 4: Simplify right side
    62,310.84x = 2,925,040,869.54
  5. Step 5: Solve for x
    x = 2,925,040,869.54/62,310.84
  6. Step 6: Final answer
    x = 46,942.73

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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.