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Finding the Fourth Proportional to 47,474.72, 65,512.46 and 25,960.20

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Solution

The fourth proportional to 47,474.72, 65,512.46 and 25,960.20 is: 35,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,474.72 : 65,512.46 = 25,960.20 : x
  2. Step 2: Convert to fraction form
    47,474.72/65,512.46 = 25,960.20/x
  3. Step 3: Cross multiply
    47,474.72x = 65,512.46 × 25,960.20
  4. Step 4: Simplify right side
    47,474.72x = 1,700,716,383.32
  5. Step 5: Solve for x
    x = 1,700,716,383.32/47,474.72
  6. Step 6: Final answer
    x = 35,823.62

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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.