Home / 61,209.38-91,828.25-19,087.22

Finding the Fourth Proportional to 61,209.38, 91,828.25 and 19,087.22

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Solution

The fourth proportional to 61,209.38, 91,828.25 and 19,087.22 is: 28,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,209.38 : 91,828.25 = 19,087.22 : x
  2. Step 2: Convert to fraction form
    61,209.38/91,828.25 = 19,087.22/x
  3. Step 3: Cross multiply
    61,209.38x = 91,828.25 × 19,087.22
  4. Step 4: Simplify right side
    61,209.38x = 1,752,746,009.97
  5. Step 5: Solve for x
    x = 1,752,746,009.97/61,209.38
  6. Step 6: Final answer
    x = 28,635.25

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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.