Home / 66,652.70-99,975.95-16,731.69

Finding the Fourth Proportional to 66,652.70, 99,975.95 and 16,731.69

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Solution

The fourth proportional to 66,652.70, 99,975.95 and 16,731.69 is: 25,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,652.70 : 99,975.95 = 16,731.69 : x
  2. Step 2: Convert to fraction form
    66,652.70/99,975.95 = 16,731.69/x
  3. Step 3: Cross multiply
    66,652.70x = 99,975.95 × 16,731.69
  4. Step 4: Simplify right side
    66,652.70x = 1,672,766,441.16
  5. Step 5: Solve for x
    x = 1,672,766,441.16/66,652.70
  6. Step 6: Final answer
    x = 25,096.76

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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.