Home / 45,427.39-68,143.97-14,263.87

Finding the Fourth Proportional to 45,427.39, 68,143.97 and 14,263.87

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Solution

The fourth proportional to 45,427.39, 68,143.97 and 14,263.87 is: 21,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,427.39 : 68,143.97 = 14,263.87 : x
  2. Step 2: Convert to fraction form
    45,427.39/68,143.97 = 14,263.87/x
  3. Step 3: Cross multiply
    45,427.39x = 68,143.97 × 14,263.87
  4. Step 4: Simplify right side
    45,427.39x = 971,996,729.36
  5. Step 5: Solve for x
    x = 971,996,729.36/45,427.39
  6. Step 6: Final answer
    x = 21,396.71

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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.