Home / 45,448.16-68,175.88-15,865.34

Finding the Fourth Proportional to 45,448.16, 68,175.88 and 15,865.34

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Solution

The fourth proportional to 45,448.16, 68,175.88 and 15,865.34 is: 23,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,448.16 : 68,175.88 = 15,865.34 : x
  2. Step 2: Convert to fraction form
    45,448.16/68,175.88 = 15,865.34/x
  3. Step 3: Cross multiply
    45,448.16x = 68,175.88 × 15,865.34
  4. Step 4: Simplify right side
    45,448.16x = 1,081,633,135.46
  5. Step 5: Solve for x
    x = 1,081,633,135.46/45,448.16
  6. Step 6: Final answer
    x = 23,799.27

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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.