Home / 34,619.76-47,775.46-20,288.04

Finding the Fourth Proportional to 34,619.76, 47,775.46 and 20,288.04

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Solution

The fourth proportional to 34,619.76, 47,775.46 and 20,288.04 is: 27,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,619.76 : 47,775.46 = 20,288.04 : x
  2. Step 2: Convert to fraction form
    34,619.76/47,775.46 = 20,288.04/x
  3. Step 3: Cross multiply
    34,619.76x = 47,775.46 × 20,288.04
  4. Step 4: Simplify right side
    34,619.76x = 969,270,443.50
  5. Step 5: Solve for x
    x = 969,270,443.50/34,619.76
  6. Step 6: Final answer
    x = 27,997.61

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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.