Home / 45,931.77-68,910.62-18,249.21

Finding the Fourth Proportional to 45,931.77, 68,910.62 and 18,249.21

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Solution

The fourth proportional to 45,931.77, 68,910.62 and 18,249.21 is: 27,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.77 : 68,910.62 = 18,249.21 : x
  2. Step 2: Convert to fraction form
    45,931.77/68,910.62 = 18,249.21/x
  3. Step 3: Cross multiply
    45,931.77x = 68,910.62 × 18,249.21
  4. Step 4: Simplify right side
    45,931.77x = 1,257,564,284.36
  5. Step 5: Solve for x
    x = 1,257,564,284.36/45,931.77
  6. Step 6: Final answer
    x = 27,378.96

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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.