Home / 84,738.73-127,108.85-21,558.94

Finding the Fourth Proportional to 84,738.73, 127,108.85 and 21,558.94

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Solution

The fourth proportional to 84,738.73, 127,108.85 and 21,558.94 is: 32,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,738.73 : 127,108.85 = 21,558.94 : x
  2. Step 2: Convert to fraction form
    84,738.73/127,108.85 = 21,558.94/x
  3. Step 3: Cross multiply
    84,738.73x = 127,108.85 × 21,558.94
  4. Step 4: Simplify right side
    84,738.73x = 2,740,332,070.62
  5. Step 5: Solve for x
    x = 2,740,332,070.62/84,738.73
  6. Step 6: Final answer
    x = 32,338.60

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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.