Home / 45,342.44-62,544.32-31,170.68

Finding the Fourth Proportional to 45,342.44, 62,544.32 and 31,170.68

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Solution

The fourth proportional to 45,342.44, 62,544.32 and 31,170.68 is: 42,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,342.44 : 62,544.32 = 31,170.68 : x
  2. Step 2: Convert to fraction form
    45,342.44/62,544.32 = 31,170.68/x
  3. Step 3: Cross multiply
    45,342.44x = 62,544.32 × 31,170.68
  4. Step 4: Simplify right side
    45,342.44x = 1,949,548,984.54
  5. Step 5: Solve for x
    x = 1,949,548,984.54/45,342.44
  6. Step 6: Final answer
    x = 42,996.12

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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.