Home / 43,505.46-60,046.17-28,400.58

Finding the Fourth Proportional to 43,505.46, 60,046.17 and 28,400.58

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Solution

The fourth proportional to 43,505.46, 60,046.17 and 28,400.58 is: 39,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,505.46 : 60,046.17 = 28,400.58 : x
  2. Step 2: Convert to fraction form
    43,505.46/60,046.17 = 28,400.58/x
  3. Step 3: Cross multiply
    43,505.46x = 60,046.17 × 28,400.58
  4. Step 4: Simplify right side
    43,505.46x = 1,705,346,054.78
  5. Step 5: Solve for x
    x = 1,705,346,054.78/43,505.46
  6. Step 6: Final answer
    x = 39,198.44

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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.