Home / 45,889.36-68,834.06-12,612.94

Finding the Fourth Proportional to 45,889.36, 68,834.06 and 12,612.94

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Solution

The fourth proportional to 45,889.36, 68,834.06 and 12,612.94 is: 18,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,889.36 : 68,834.06 = 12,612.94 : x
  2. Step 2: Convert to fraction form
    45,889.36/68,834.06 = 12,612.94/x
  3. Step 3: Cross multiply
    45,889.36x = 68,834.06 × 12,612.94
  4. Step 4: Simplify right side
    45,889.36x = 868,199,868.74
  5. Step 5: Solve for x
    x = 868,199,868.74/45,889.36
  6. Step 6: Final answer
    x = 18,919.42

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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.