Home / 44,949.78-67,438.04-19,986.39

Finding the Fourth Proportional to 44,949.78, 67,438.04 and 19,986.39

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Solution

The fourth proportional to 44,949.78, 67,438.04 and 19,986.39 is: 29,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,949.78 : 67,438.04 = 19,986.39 : x
  2. Step 2: Convert to fraction form
    44,949.78/67,438.04 = 19,986.39/x
  3. Step 3: Cross multiply
    44,949.78x = 67,438.04 × 19,986.39
  4. Step 4: Simplify right side
    44,949.78x = 1,347,842,868.34
  5. Step 5: Solve for x
    x = 1,347,842,868.34/44,949.78
  6. Step 6: Final answer
    x = 29,985.53

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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.