Home / 49,857.21-74,785.82-39,476.25

Finding the Fourth Proportional to 49,857.21, 74,785.82 and 39,476.25

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Solution

The fourth proportional to 49,857.21, 74,785.82 and 39,476.25 is: 59,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.21 : 74,785.82 = 39,476.25 : x
  2. Step 2: Convert to fraction form
    49,857.21/74,785.82 = 39,476.25/x
  3. Step 3: Cross multiply
    49,857.21x = 74,785.82 × 39,476.25
  4. Step 4: Simplify right side
    49,857.21x = 2,952,263,529.39
  5. Step 5: Solve for x
    x = 2,952,263,529.39/49,857.21
  6. Step 6: Final answer
    x = 59,214.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.