Home / 77,468.41-116,183.48-21,305.80

Finding the Fourth Proportional to 77,468.41, 116,183.48 and 21,305.80

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Solution

The fourth proportional to 77,468.41, 116,183.48 and 21,305.80 is: 31,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,468.41 : 116,183.48 = 21,305.80 : x
  2. Step 2: Convert to fraction form
    77,468.41/116,183.48 = 21,305.80/x
  3. Step 3: Cross multiply
    77,468.41x = 116,183.48 × 21,305.80
  4. Step 4: Simplify right side
    77,468.41x = 2,475,381,988.18
  5. Step 5: Solve for x
    x = 2,475,381,988.18/77,468.41
  6. Step 6: Final answer
    x = 31,953.44

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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.