Home / 66,229.57-99,354.21-21,861.01

Finding the Fourth Proportional to 66,229.57, 99,354.21 and 21,861.01

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Solution

The fourth proportional to 66,229.57, 99,354.21 and 21,861.01 is: 32,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,229.57 : 99,354.21 = 21,861.01 : x
  2. Step 2: Convert to fraction form
    66,229.57/99,354.21 = 21,861.01/x
  3. Step 3: Cross multiply
    66,229.57x = 99,354.21 × 21,861.01
  4. Step 4: Simplify right side
    66,229.57x = 2,171,983,378.35
  5. Step 5: Solve for x
    x = 2,171,983,378.35/66,229.57
  6. Step 6: Final answer
    x = 32,794.77

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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.