Home / 49,442.64-74,134.06-19,420.94

Finding the Fourth Proportional to 49,442.64, 74,134.06 and 19,420.94

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Solution

The fourth proportional to 49,442.64, 74,134.06 and 19,420.94 is: 29,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,442.64 : 74,134.06 = 19,420.94 : x
  2. Step 2: Convert to fraction form
    49,442.64/74,134.06 = 19,420.94/x
  3. Step 3: Cross multiply
    49,442.64x = 74,134.06 × 19,420.94
  4. Step 4: Simplify right side
    49,442.64x = 1,439,753,072.74
  5. Step 5: Solve for x
    x = 1,439,753,072.74/49,442.64
  6. Step 6: Final answer
    x = 29,119.66

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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.