Home / 29,862.64-41,193.30-18,665.20

Finding the Fourth Proportional to 29,862.64, 41,193.30 and 18,665.20

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Solution

The fourth proportional to 29,862.64, 41,193.30 and 18,665.20 is: 25,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,862.64 : 41,193.30 = 18,665.20 : x
  2. Step 2: Convert to fraction form
    29,862.64/41,193.30 = 18,665.20/x
  3. Step 3: Cross multiply
    29,862.64x = 41,193.30 × 18,665.20
  4. Step 4: Simplify right side
    29,862.64x = 768,881,183.16
  5. Step 5: Solve for x
    x = 768,881,183.16/29,862.64
  6. Step 6: Final answer
    x = 25,747.26

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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.