Home / 45,334.32-68,003.91-14,172

Finding the Fourth Proportional to 45,334.32, 68,003.91 and 14,172

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Solution

The fourth proportional to 45,334.32, 68,003.91 and 14,172 is: 21,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,334.32 : 68,003.91 = 14,172 : x
  2. Step 2: Convert to fraction form
    45,334.32/68,003.91 = 14,172/x
  3. Step 3: Cross multiply
    45,334.32x = 68,003.91 × 14,172
  4. Step 4: Simplify right side
    45,334.32x = 963,751,412.52
  5. Step 5: Solve for x
    x = 963,751,412.52/45,334.32
  6. Step 6: Final answer
    x = 21,258.76

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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.