Home / 74,631.80-111,947.70-27,882.20

Finding the Fourth Proportional to 74,631.80, 111,947.70 and 27,882.20

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Solution

The fourth proportional to 74,631.80, 111,947.70 and 27,882.20 is: 41,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,631.80 : 111,947.70 = 27,882.20 : x
  2. Step 2: Convert to fraction form
    74,631.80/111,947.70 = 27,882.20/x
  3. Step 3: Cross multiply
    74,631.80x = 111,947.70 × 27,882.20
  4. Step 4: Simplify right side
    74,631.80x = 3,121,348,160.94
  5. Step 5: Solve for x
    x = 3,121,348,160.94/74,631.80
  6. Step 6: Final answer
    x = 41,823.30

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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.