Home / 31,968.20-47,966.12-17,159.82

Finding the Fourth Proportional to 31,968.20, 47,966.12 and 17,159.82

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Solution

The fourth proportional to 31,968.20, 47,966.12 and 17,159.82 is: 25,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.20 : 47,966.12 = 17,159.82 : x
  2. Step 2: Convert to fraction form
    31,968.20/47,966.12 = 17,159.82/x
  3. Step 3: Cross multiply
    31,968.20x = 47,966.12 × 17,159.82
  4. Step 4: Simplify right side
    31,968.20x = 823,089,899.50
  5. Step 5: Solve for x
    x = 823,089,899.50/31,968.20
  6. Step 6: Final answer
    x = 25,747.15

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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.