Home / 34,984.40-48,279.76-19,879.62

Finding the Fourth Proportional to 34,984.40, 48,279.76 and 19,879.62

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Solution

The fourth proportional to 34,984.40, 48,279.76 and 19,879.62 is: 27,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,984.40 : 48,279.76 = 19,879.62 : x
  2. Step 2: Convert to fraction form
    34,984.40/48,279.76 = 19,879.62/x
  3. Step 3: Cross multiply
    34,984.40x = 48,279.76 × 19,879.62
  4. Step 4: Simplify right side
    34,984.40x = 959,783,282.49
  5. Step 5: Solve for x
    x = 959,783,282.49/34,984.40
  6. Step 6: Final answer
    x = 27,434.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.