Home / 32,519.70-44,914.20-21,890.88

Finding the Fourth Proportional to 32,519.70, 44,914.20 and 21,890.88

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Solution

The fourth proportional to 32,519.70, 44,914.20 and 21,890.88 is: 30,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,519.70 : 44,914.20 = 21,890.88 : x
  2. Step 2: Convert to fraction form
    32,519.70/44,914.20 = 21,890.88/x
  3. Step 3: Cross multiply
    32,519.70x = 44,914.20 × 21,890.88
  4. Step 4: Simplify right side
    32,519.70x = 983,211,362.50
  5. Step 5: Solve for x
    x = 983,211,362.50/32,519.70
  6. Step 6: Final answer
    x = 30,234.33

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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.