Home / 55,725.60-76,900.05-31,850.85

Finding the Fourth Proportional to 55,725.60, 76,900.05 and 31,850.85

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Solution

The fourth proportional to 55,725.60, 76,900.05 and 31,850.85 is: 43,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,725.60 : 76,900.05 = 31,850.85 : x
  2. Step 2: Convert to fraction form
    55,725.60/76,900.05 = 31,850.85/x
  3. Step 3: Cross multiply
    55,725.60x = 76,900.05 × 31,850.85
  4. Step 4: Simplify right side
    55,725.60x = 2,449,331,957.54
  5. Step 5: Solve for x
    x = 2,449,331,957.54/55,725.60
  6. Step 6: Final answer
    x = 43,953.44

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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.