Home / 45,264.70-67,901-18,612.31

Finding the Fourth Proportional to 45,264.70, 67,901 and 18,612.31

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Solution

The fourth proportional to 45,264.70, 67,901 and 18,612.31 is: 27,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,264.70 : 67,901 = 18,612.31 : x
  2. Step 2: Convert to fraction form
    45,264.70/67,901 = 18,612.31/x
  3. Step 3: Cross multiply
    45,264.70x = 67,901 × 18,612.31
  4. Step 4: Simplify right side
    45,264.70x = 1,263,794,461.31
  5. Step 5: Solve for x
    x = 1,263,794,461.31/45,264.70
  6. Step 6: Final answer
    x = 27,920.09

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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.