Home / 29,789.51-41,086.74-20,236.76

Finding the Fourth Proportional to 29,789.51, 41,086.74 and 20,236.76

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Solution

The fourth proportional to 29,789.51, 41,086.74 and 20,236.76 is: 27,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,789.51 : 41,086.74 = 20,236.76 : x
  2. Step 2: Convert to fraction form
    29,789.51/41,086.74 = 20,236.76/x
  3. Step 3: Cross multiply
    29,789.51x = 41,086.74 × 20,236.76
  4. Step 4: Simplify right side
    29,789.51x = 831,462,496.56
  5. Step 5: Solve for x
    x = 831,462,496.56/29,789.51
  6. Step 6: Final answer
    x = 27,911.25

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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.