Home / 29,718.77-41,016.11-18,391.91

Finding the Fourth Proportional to 29,718.77, 41,016.11 and 18,391.91

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Solution

The fourth proportional to 29,718.77, 41,016.11 and 18,391.91 is: 25,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,718.77 : 41,016.11 = 18,391.91 : x
  2. Step 2: Convert to fraction form
    29,718.77/41,016.11 = 18,391.91/x
  3. Step 3: Cross multiply
    29,718.77x = 41,016.11 × 18,391.91
  4. Step 4: Simplify right side
    29,718.77x = 754,364,614.25
  5. Step 5: Solve for x
    x = 754,364,614.25/29,718.77
  6. Step 6: Final answer
    x = 25,383.44

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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.