Home / 57,230.88-79,005.60-38,142.06

Finding the Fourth Proportional to 57,230.88, 79,005.60 and 38,142.06

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Solution

The fourth proportional to 57,230.88, 79,005.60 and 38,142.06 is: 52,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230.88 : 79,005.60 = 38,142.06 : x
  2. Step 2: Convert to fraction form
    57,230.88/79,005.60 = 38,142.06/x
  3. Step 3: Cross multiply
    57,230.88x = 79,005.60 × 38,142.06
  4. Step 4: Simplify right side
    57,230.88x = 3,013,436,335.54
  5. Step 5: Solve for x
    x = 3,013,436,335.54/57,230.88
  6. Step 6: Final answer
    x = 52,654.03

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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.