Home / 51,546.42-71,138.37-28,885.05

Finding the Fourth Proportional to 51,546.42, 71,138.37 and 28,885.05

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Solution

The fourth proportional to 51,546.42, 71,138.37 and 28,885.05 is: 39,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,546.42 : 71,138.37 = 28,885.05 : x
  2. Step 2: Convert to fraction form
    51,546.42/71,138.37 = 28,885.05/x
  3. Step 3: Cross multiply
    51,546.42x = 71,138.37 × 28,885.05
  4. Step 4: Simplify right side
    51,546.42x = 2,054,835,374.37
  5. Step 5: Solve for x
    x = 2,054,835,374.37/51,546.42
  6. Step 6: Final answer
    x = 39,863.78

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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.