Home / 57,380.64-79,180.24-31,885.39

Finding the Fourth Proportional to 57,380.64, 79,180.24 and 31,885.39

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Solution

The fourth proportional to 57,380.64, 79,180.24 and 31,885.39 is: 43,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.64 : 79,180.24 = 31,885.39 : x
  2. Step 2: Convert to fraction form
    57,380.64/79,180.24 = 31,885.39/x
  3. Step 3: Cross multiply
    57,380.64x = 79,180.24 × 31,885.39
  4. Step 4: Simplify right side
    57,380.64x = 2,524,692,346.78
  5. Step 5: Solve for x
    x = 2,524,692,346.78/57,380.64
  6. Step 6: Final answer
    x = 43,999.03

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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.