Home / 42,205.97-63,318.32-15,910.94

Finding the Fourth Proportional to 42,205.97, 63,318.32 and 15,910.94

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Solution

The fourth proportional to 42,205.97, 63,318.32 and 15,910.94 is: 23,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,205.97 : 63,318.32 = 15,910.94 : x
  2. Step 2: Convert to fraction form
    42,205.97/63,318.32 = 15,910.94/x
  3. Step 3: Cross multiply
    42,205.97x = 63,318.32 × 15,910.94
  4. Step 4: Simplify right side
    42,205.97x = 1,007,453,990.42
  5. Step 5: Solve for x
    x = 1,007,453,990.42/42,205.97
  6. Step 6: Final answer
    x = 23,869.94

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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.