Home / 61,921.35-92,894.94-28,171.35

Finding the Fourth Proportional to 61,921.35, 92,894.94 and 28,171.35

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Solution

The fourth proportional to 61,921.35, 92,894.94 and 28,171.35 is: 42,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.35 : 92,894.94 = 28,171.35 : x
  2. Step 2: Convert to fraction form
    61,921.35/92,894.94 = 28,171.35/x
  3. Step 3: Cross multiply
    61,921.35x = 92,894.94 × 28,171.35
  4. Step 4: Simplify right side
    61,921.35x = 2,616,975,867.97
  5. Step 5: Solve for x
    x = 2,616,975,867.97/61,921.35
  6. Step 6: Final answer
    x = 42,262.90

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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.