Home / 49,425.36-74,137.42-19,842.68

Finding the Fourth Proportional to 49,425.36, 74,137.42 and 19,842.68

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Solution

The fourth proportional to 49,425.36, 74,137.42 and 19,842.68 is: 29,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,425.36 : 74,137.42 = 19,842.68 : x
  2. Step 2: Convert to fraction form
    49,425.36/74,137.42 = 19,842.68/x
  3. Step 3: Cross multiply
    49,425.36x = 74,137.42 × 19,842.68
  4. Step 4: Simplify right side
    49,425.36x = 1,471,085,101.09
  5. Step 5: Solve for x
    x = 1,471,085,101.09/49,425.36
  6. Step 6: Final answer
    x = 29,763.77

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1.5x scale

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.