Home / 40,786.43-61,051.32-28,061.73

Finding the Fourth Proportional to 40,786.43, 61,051.32 and 28,061.73

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Solution

The fourth proportional to 40,786.43, 61,051.32 and 28,061.73 is: 42,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.43 : 61,051.32 = 28,061.73 : x
  2. Step 2: Convert to fraction form
    40,786.43/61,051.32 = 28,061.73/x
  3. Step 3: Cross multiply
    40,786.43x = 61,051.32 × 28,061.73
  4. Step 4: Simplify right side
    40,786.43x = 1,713,205,657.98
  5. Step 5: Solve for x
    x = 1,713,205,657.98/40,786.43
  6. Step 6: Final answer
    x = 42,004.31

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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.