Home / 49,380.04-74,072.17-19,400.77

Finding the Fourth Proportional to 49,380.04, 74,072.17 and 19,400.77

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Solution

The fourth proportional to 49,380.04, 74,072.17 and 19,400.77 is: 29,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,380.04 : 74,072.17 = 19,400.77 : x
  2. Step 2: Convert to fraction form
    49,380.04/74,072.17 = 19,400.77/x
  3. Step 3: Cross multiply
    49,380.04x = 74,072.17 × 19,400.77
  4. Step 4: Simplify right side
    49,380.04x = 1,437,056,932.95
  5. Step 5: Solve for x
    x = 1,437,056,932.95/49,380.04
  6. Step 6: Final answer
    x = 29,101.98

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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.