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Finding the Fourth Proportional to 62,935.40, 86,850.86 and 34,641.09

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Solution

The fourth proportional to 62,935.40, 86,850.86 and 34,641.09 is: 47,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,935.40 : 86,850.86 = 34,641.09 : x
  2. Step 2: Convert to fraction form
    62,935.40/86,850.86 = 34,641.09/x
  3. Step 3: Cross multiply
    62,935.40x = 86,850.86 × 34,641.09
  4. Step 4: Simplify right side
    62,935.40x = 3,008,608,284.63
  5. Step 5: Solve for x
    x = 3,008,608,284.63/62,935.40
  6. Step 6: Final answer
    x = 47,804.70

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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.