Home / 49,487.42-74,212.61-19,895.22

Finding the Fourth Proportional to 49,487.42, 74,212.61 and 19,895.22

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Solution

The fourth proportional to 49,487.42, 74,212.61 and 19,895.22 is: 29,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,487.42 : 74,212.61 = 19,895.22 : x
  2. Step 2: Convert to fraction form
    49,487.42/74,212.61 = 19,895.22/x
  3. Step 3: Cross multiply
    49,487.42x = 74,212.61 × 19,895.22
  4. Step 4: Simplify right side
    49,487.42x = 1,476,476,103.25
  5. Step 5: Solve for x
    x = 1,476,476,103.25/49,487.42
  6. Step 6: Final answer
    x = 29,835.38

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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.