Home / 57,258.62-79,016.76-31,768.85

Finding the Fourth Proportional to 57,258.62, 79,016.76 and 31,768.85

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Solution

The fourth proportional to 57,258.62, 79,016.76 and 31,768.85 is: 43,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,258.62 : 79,016.76 = 31,768.85 : x
  2. Step 2: Convert to fraction form
    57,258.62/79,016.76 = 31,768.85/x
  3. Step 3: Cross multiply
    57,258.62x = 79,016.76 × 31,768.85
  4. Step 4: Simplify right side
    57,258.62x = 2,510,271,793.47
  5. Step 5: Solve for x
    x = 2,510,271,793.47/57,258.62
  6. Step 6: Final answer
    x = 43,840.95

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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.