Home / 81,635.99-122,458.23-22,470.35

Finding the Fourth Proportional to 81,635.99, 122,458.23 and 22,470.35

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Solution

The fourth proportional to 81,635.99, 122,458.23 and 22,470.35 is: 33,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,635.99 : 122,458.23 = 22,470.35 : x
  2. Step 2: Convert to fraction form
    81,635.99/122,458.23 = 22,470.35/x
  3. Step 3: Cross multiply
    81,635.99x = 122,458.23 × 22,470.35
  4. Step 4: Simplify right side
    81,635.99x = 2,751,678,676.19
  5. Step 5: Solve for x
    x = 2,751,678,676.19/81,635.99
  6. Step 6: Final answer
    x = 33,706.69

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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.