Home / 45,682.54-68,521.37-14,515.36

Finding the Fourth Proportional to 45,682.54, 68,521.37 and 14,515.36

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Solution

The fourth proportional to 45,682.54, 68,521.37 and 14,515.36 is: 21,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,682.54 : 68,521.37 = 14,515.36 : x
  2. Step 2: Convert to fraction form
    45,682.54/68,521.37 = 14,515.36/x
  3. Step 3: Cross multiply
    45,682.54x = 68,521.37 × 14,515.36
  4. Step 4: Simplify right side
    45,682.54x = 994,612,109.36
  5. Step 5: Solve for x
    x = 994,612,109.36/45,682.54
  6. Step 6: Final answer
    x = 21,772.26

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1.5x scale

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.