Home / 77,315.54-115,991.46-24,004.78

Finding the Fourth Proportional to 77,315.54, 115,991.46 and 24,004.78

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Solution

The fourth proportional to 77,315.54, 115,991.46 and 24,004.78 is: 36,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,315.54 : 115,991.46 = 24,004.78 : x
  2. Step 2: Convert to fraction form
    77,315.54/115,991.46 = 24,004.78/x
  3. Step 3: Cross multiply
    77,315.54x = 115,991.46 × 24,004.78
  4. Step 4: Simplify right side
    77,315.54x = 2,784,348,899.22
  5. Step 5: Solve for x
    x = 2,784,348,899.22/77,315.54
  6. Step 6: Final answer
    x = 36,012.80

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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.