Home / 51,321.16-70,803.62-31,170.44

Finding the Fourth Proportional to 51,321.16, 70,803.62 and 31,170.44

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Solution

The fourth proportional to 51,321.16, 70,803.62 and 31,170.44 is: 43,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,321.16 : 70,803.62 = 31,170.44 : x
  2. Step 2: Convert to fraction form
    51,321.16/70,803.62 = 31,170.44/x
  3. Step 3: Cross multiply
    51,321.16x = 70,803.62 × 31,170.44
  4. Step 4: Simplify right side
    51,321.16x = 2,206,979,988.99
  5. Step 5: Solve for x
    x = 2,206,979,988.99/51,321.16
  6. Step 6: Final answer
    x = 43,003.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.