Home / 35,326.69-48,729.20-20,976.77

Finding the Fourth Proportional to 35,326.69, 48,729.20 and 20,976.77

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Solution

The fourth proportional to 35,326.69, 48,729.20 and 20,976.77 is: 28,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,326.69 : 48,729.20 = 20,976.77 : x
  2. Step 2: Convert to fraction form
    35,326.69/48,729.20 = 20,976.77/x
  3. Step 3: Cross multiply
    35,326.69x = 48,729.20 × 20,976.77
  4. Step 4: Simplify right side
    35,326.69x = 1,022,181,237.62
  5. Step 5: Solve for x
    x = 1,022,181,237.62/35,326.69
  6. Step 6: Final answer
    x = 28,935.10

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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.