Home / 42,786.62-59,057.87-30,042.90

Finding the Fourth Proportional to 42,786.62, 59,057.87 and 30,042.90

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Solution

The fourth proportional to 42,786.62, 59,057.87 and 30,042.90 is: 41,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,786.62 : 59,057.87 = 30,042.90 : x
  2. Step 2: Convert to fraction form
    42,786.62/59,057.87 = 30,042.90/x
  3. Step 3: Cross multiply
    42,786.62x = 59,057.87 × 30,042.90
  4. Step 4: Simplify right side
    42,786.62x = 1,774,269,532.41
  5. Step 5: Solve for x
    x = 1,774,269,532.41/42,786.62
  6. Step 6: Final answer
    x = 41,467.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.