Home / 51,446.98-70,997.16-28,785.97

Finding the Fourth Proportional to 51,446.98, 70,997.16 and 28,785.97

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Solution

The fourth proportional to 51,446.98, 70,997.16 and 28,785.97 is: 39,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,446.98 : 70,997.16 = 28,785.97 : x
  2. Step 2: Convert to fraction form
    51,446.98/70,997.16 = 28,785.97/x
  3. Step 3: Cross multiply
    51,446.98x = 70,997.16 × 28,785.97
  4. Step 4: Simplify right side
    51,446.98x = 2,043,722,117.85
  5. Step 5: Solve for x
    x = 2,043,722,117.85/51,446.98
  6. Step 6: Final answer
    x = 39,724.82

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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.