Home / 84,736.30-127,103.90-21,555.88

Finding the Fourth Proportional to 84,736.30, 127,103.90 and 21,555.88

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Solution

The fourth proportional to 84,736.30, 127,103.90 and 21,555.88 is: 32,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.30 : 127,103.90 = 21,555.88 : x
  2. Step 2: Convert to fraction form
    84,736.30/127,103.90 = 21,555.88/x
  3. Step 3: Cross multiply
    84,736.30x = 127,103.90 × 21,555.88
  4. Step 4: Simplify right side
    84,736.30x = 2,739,836,705.35
  5. Step 5: Solve for x
    x = 2,739,836,705.35/84,736.30
  6. Step 6: Final answer
    x = 32,333.68

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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.