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Finding the Fourth Proportional to 62,943, 86,860.26 and 36,084.84

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Solution

The fourth proportional to 62,943, 86,860.26 and 36,084.84 is: 49,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,943 : 86,860.26 = 36,084.84 : x
  2. Step 2: Convert to fraction form
    62,943/86,860.26 = 36,084.84/x
  3. Step 3: Cross multiply
    62,943x = 86,860.26 × 36,084.84
  4. Step 4: Simplify right side
    62,943x = 3,134,338,584.46
  5. Step 5: Solve for x
    x = 3,134,338,584.46/62,943
  6. Step 6: Final answer
    x = 49,796.46

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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.