Home / 47,891.25-66,092.58-28,776.87

Finding the Fourth Proportional to 47,891.25, 66,092.58 and 28,776.87

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Solution

The fourth proportional to 47,891.25, 66,092.58 and 28,776.87 is: 39,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891.25 : 66,092.58 = 28,776.87 : x
  2. Step 2: Convert to fraction form
    47,891.25/66,092.58 = 28,776.87/x
  3. Step 3: Cross multiply
    47,891.25x = 66,092.58 × 28,776.87
  4. Step 4: Simplify right side
    47,891.25x = 1,901,937,582.62
  5. Step 5: Solve for x
    x = 1,901,937,582.62/47,891.25
  6. Step 6: Final answer
    x = 39,713.68

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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.