Home / 66,059.50-99,099.57-21,676.16

Finding the Fourth Proportional to 66,059.50, 99,099.57 and 21,676.16

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Solution

The fourth proportional to 66,059.50, 99,099.57 and 21,676.16 is: 32,517.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,059.50 : 99,099.57 = 21,676.16 : x
  2. Step 2: Convert to fraction form
    66,059.50/99,099.57 = 21,676.16/x
  3. Step 3: Cross multiply
    66,059.50x = 99,099.57 × 21,676.16
  4. Step 4: Simplify right side
    66,059.50x = 2,148,098,135.25
  5. Step 5: Solve for x
    x = 2,148,098,135.25/66,059.50
  6. Step 6: Final answer
    x = 32,517.63

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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.