Home / 45,580.54-68,375.58-12,300.88

Finding the Fourth Proportional to 45,580.54, 68,375.58 and 12,300.88

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Solution

The fourth proportional to 45,580.54, 68,375.58 and 12,300.88 is: 18,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,580.54 : 68,375.58 = 12,300.88 : x
  2. Step 2: Convert to fraction form
    45,580.54/68,375.58 = 12,300.88/x
  3. Step 3: Cross multiply
    45,580.54x = 68,375.58 × 12,300.88
  4. Step 4: Simplify right side
    45,580.54x = 841,079,804.51
  5. Step 5: Solve for x
    x = 841,079,804.51/45,580.54
  6. Step 6: Final answer
    x = 18,452.61

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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.