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Finding the Fourth Proportional to 62,615.94, 86,414.75 and 35,759.58

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Solution

The fourth proportional to 62,615.94, 86,414.75 and 35,759.58 is: 49,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,615.94 : 86,414.75 = 35,759.58 : x
  2. Step 2: Convert to fraction form
    62,615.94/86,414.75 = 35,759.58/x
  3. Step 3: Cross multiply
    62,615.94x = 86,414.75 × 35,759.58
  4. Step 4: Simplify right side
    62,615.94x = 3,090,154,797.05
  5. Step 5: Solve for x
    x = 3,090,154,797.05/62,615.94
  6. Step 6: Final answer
    x = 49,350.93

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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.