Home / 38,102.64-57,190.92-18,395.04

Finding the Fourth Proportional to 38,102.64, 57,190.92 and 18,395.04

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Solution

The fourth proportional to 38,102.64, 57,190.92 and 18,395.04 is: 27,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,102.64 : 57,190.92 = 18,395.04 : x
  2. Step 2: Convert to fraction form
    38,102.64/57,190.92 = 18,395.04/x
  3. Step 3: Cross multiply
    38,102.64x = 57,190.92 × 18,395.04
  4. Step 4: Simplify right side
    38,102.64x = 1,052,029,261.04
  5. Step 5: Solve for x
    x = 1,052,029,261.04/38,102.64
  6. Step 6: Final answer
    x = 27,610.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.