Home / 45,277.68-67,913.28-14,112

Finding the Fourth Proportional to 45,277.68, 67,913.28 and 14,112

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Solution

The fourth proportional to 45,277.68, 67,913.28 and 14,112 is: 21,166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,277.68 : 67,913.28 = 14,112 : x
  2. Step 2: Convert to fraction form
    45,277.68/67,913.28 = 14,112/x
  3. Step 3: Cross multiply
    45,277.68x = 67,913.28 × 14,112
  4. Step 4: Simplify right side
    45,277.68x = 958,392,207.36
  5. Step 5: Solve for x
    x = 958,392,207.36/45,277.68
  6. Step 6: Final answer
    x = 21,166.99

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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.