Home / 84,910.56-127,372.32-22,579.44

Finding the Fourth Proportional to 84,910.56, 127,372.32 and 22,579.44

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Solution

The fourth proportional to 84,910.56, 127,372.32 and 22,579.44 is: 33,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,910.56 : 127,372.32 = 22,579.44 : x
  2. Step 2: Convert to fraction form
    84,910.56/127,372.32 = 22,579.44/x
  3. Step 3: Cross multiply
    84,910.56x = 127,372.32 × 22,579.44
  4. Step 4: Simplify right side
    84,910.56x = 2,875,995,657.10
  5. Step 5: Solve for x
    x = 2,875,995,657.10/84,910.56
  6. Step 6: Final answer
    x = 33,870.88

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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.