Home / 42,285.46-63,431.13-16,984.96

Finding the Fourth Proportional to 42,285.46, 63,431.13 and 16,984.96

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Solution

The fourth proportional to 42,285.46, 63,431.13 and 16,984.96 is: 25,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.46 : 63,431.13 = 16,984.96 : x
  2. Step 2: Convert to fraction form
    42,285.46/63,431.13 = 16,984.96/x
  3. Step 3: Cross multiply
    42,285.46x = 63,431.13 × 16,984.96
  4. Step 4: Simplify right side
    42,285.46x = 1,077,375,205.80
  5. Step 5: Solve for x
    x = 1,077,375,205.80/42,285.46
  6. Step 6: Final answer
    x = 25,478.62

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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.