Home / 57,403.78-79,211.21-31,906.06

Finding the Fourth Proportional to 57,403.78, 79,211.21 and 31,906.06

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Solution

The fourth proportional to 57,403.78, 79,211.21 and 31,906.06 is: 44,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,403.78 : 79,211.21 = 31,906.06 : x
  2. Step 2: Convert to fraction form
    57,403.78/79,211.21 = 31,906.06/x
  3. Step 3: Cross multiply
    57,403.78x = 79,211.21 × 31,906.06
  4. Step 4: Simplify right side
    57,403.78x = 2,527,317,261.37
  5. Step 5: Solve for x
    x = 2,527,317,261.37/57,403.78
  6. Step 6: Final answer
    x = 44,027.02

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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.