Home / 51,867.82-71,579.01-31,724.34

Finding the Fourth Proportional to 51,867.82, 71,579.01 and 31,724.34

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Solution

The fourth proportional to 51,867.82, 71,579.01 and 31,724.34 is: 43,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,867.82 : 71,579.01 = 31,724.34 : x
  2. Step 2: Convert to fraction form
    51,867.82/71,579.01 = 31,724.34/x
  3. Step 3: Cross multiply
    51,867.82x = 71,579.01 × 31,724.34
  4. Step 4: Simplify right side
    51,867.82x = 2,270,796,850.10
  5. Step 5: Solve for x
    x = 2,270,796,850.10/51,867.82
  6. Step 6: Final answer
    x = 43,780.46

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1.5x scale

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.