Home / 31,512.56-43,485.54-18,082.52

Finding the Fourth Proportional to 31,512.56, 43,485.54 and 18,082.52

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Solution

The fourth proportional to 31,512.56, 43,485.54 and 18,082.52 is: 24,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.56 : 43,485.54 = 18,082.52 : x
  2. Step 2: Convert to fraction form
    31,512.56/43,485.54 = 18,082.52/x
  3. Step 3: Cross multiply
    31,512.56x = 43,485.54 × 18,082.52
  4. Step 4: Simplify right side
    31,512.56x = 786,328,146.76
  5. Step 5: Solve for x
    x = 786,328,146.76/31,512.56
  6. Step 6: Final answer
    x = 24,952.85

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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.