Home / 84,736.73-127,105.85-21,556.94

Finding the Fourth Proportional to 84,736.73, 127,105.85 and 21,556.94

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Solution

The fourth proportional to 84,736.73, 127,105.85 and 21,556.94 is: 32,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.73 : 127,105.85 = 21,556.94 : x
  2. Step 2: Convert to fraction form
    84,736.73/127,105.85 = 21,556.94/x
  3. Step 3: Cross multiply
    84,736.73x = 127,105.85 × 21,556.94
  4. Step 4: Simplify right side
    84,736.73x = 2,740,012,600.46
  5. Step 5: Solve for x
    x = 2,740,012,600.46/84,736.73
  6. Step 6: Final answer
    x = 32,335.59

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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.