Home / 45,455.89-68,212.23-17,378.32

Finding the Fourth Proportional to 45,455.89, 68,212.23 and 17,378.32

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Solution

The fourth proportional to 45,455.89, 68,212.23 and 17,378.32 is: 26,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,455.89 : 68,212.23 = 17,378.32 : x
  2. Step 2: Convert to fraction form
    45,455.89/68,212.23 = 17,378.32/x
  3. Step 3: Cross multiply
    45,455.89x = 68,212.23 × 17,378.32
  4. Step 4: Simplify right side
    45,455.89x = 1,185,413,960.85
  5. Step 5: Solve for x
    x = 1,185,413,960.85/45,455.89
  6. Step 6: Final answer
    x = 26,078.34

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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.