Home / 45,738.90-68,497.62-31,659.48

Finding the Fourth Proportional to 45,738.90, 68,497.62 and 31,659.48

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Solution

The fourth proportional to 45,738.90, 68,497.62 and 31,659.48 is: 47,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.90 : 68,497.62 = 31,659.48 : x
  2. Step 2: Convert to fraction form
    45,738.90/68,497.62 = 31,659.48/x
  3. Step 3: Cross multiply
    45,738.90x = 68,497.62 × 31,659.48
  4. Step 4: Simplify right side
    45,738.90x = 2,168,599,030.44
  5. Step 5: Solve for x
    x = 2,168,599,030.44/45,738.90
  6. Step 6: Final answer
    x = 47,412.58

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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.