Home / 49,442.98-74,134.56-19,421.28

Finding the Fourth Proportional to 49,442.98, 74,134.56 and 19,421.28

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Solution

The fourth proportional to 49,442.98, 74,134.56 and 19,421.28 is: 29,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,442.98 : 74,134.56 = 19,421.28 : x
  2. Step 2: Convert to fraction form
    49,442.98/74,134.56 = 19,421.28/x
  3. Step 3: Cross multiply
    49,442.98x = 74,134.56 × 19,421.28
  4. Step 4: Simplify right side
    49,442.98x = 1,439,787,842.26
  5. Step 5: Solve for x
    x = 1,439,787,842.26/49,442.98
  6. Step 6: Final answer
    x = 29,120.17

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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.