Home / 29,800.81-41,110.91-21,717.14

Finding the Fourth Proportional to 29,800.81, 41,110.91 and 21,717.14

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Solution

The fourth proportional to 29,800.81, 41,110.91 and 21,717.14 is: 29,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,800.81 : 41,110.91 = 21,717.14 : x
  2. Step 2: Convert to fraction form
    29,800.81/41,110.91 = 21,717.14/x
  3. Step 3: Cross multiply
    29,800.81x = 41,110.91 × 21,717.14
  4. Step 4: Simplify right side
    29,800.81x = 892,811,236.74
  5. Step 5: Solve for x
    x = 892,811,236.74/29,800.81
  6. Step 6: Final answer
    x = 29,959.29

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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.