Home / 61,269.83-91,917.04-27,980.97

Finding the Fourth Proportional to 61,269.83, 91,917.04 and 27,980.97

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Solution

The fourth proportional to 61,269.83, 91,917.04 and 27,980.97 is: 41,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,269.83 : 91,917.04 = 27,980.97 : x
  2. Step 2: Convert to fraction form
    61,269.83/91,917.04 = 27,980.97/x
  3. Step 3: Cross multiply
    61,269.83x = 91,917.04 × 27,980.97
  4. Step 4: Simplify right side
    61,269.83x = 2,571,927,938.73
  5. Step 5: Solve for x
    x = 2,571,927,938.73/61,269.83
  6. Step 6: Final answer
    x = 41,977.07

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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.