Home / 51,185.49-76,675.86-40,039.68

Finding the Fourth Proportional to 51,185.49, 76,675.86 and 40,039.68

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Solution

The fourth proportional to 51,185.49, 76,675.86 and 40,039.68 is: 59,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,185.49 : 76,675.86 = 40,039.68 : x
  2. Step 2: Convert to fraction form
    51,185.49/76,675.86 = 40,039.68/x
  3. Step 3: Cross multiply
    51,185.49x = 76,675.86 × 40,039.68
  4. Step 4: Simplify right side
    51,185.49x = 3,070,076,898.12
  5. Step 5: Solve for x
    x = 3,070,076,898.12/51,185.49
  6. Step 6: Final answer
    x = 59,979.44

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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.