Home / 45,148.92-67,706.64-18,855.44

Finding the Fourth Proportional to 45,148.92, 67,706.64 and 18,855.44

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Solution

The fourth proportional to 45,148.92, 67,706.64 and 18,855.44 is: 28,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,148.92 : 67,706.64 = 18,855.44 : x
  2. Step 2: Convert to fraction form
    45,148.92/67,706.64 = 18,855.44/x
  3. Step 3: Cross multiply
    45,148.92x = 67,706.64 × 18,855.44
  4. Step 4: Simplify right side
    45,148.92x = 1,276,638,488.12
  5. Step 5: Solve for x
    x = 1,276,638,488.12/45,148.92
  6. Step 6: Final answer
    x = 28,276.17

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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.