Home / 48,450.20-66,819.62-31,437.68

Finding the Fourth Proportional to 48,450.20, 66,819.62 and 31,437.68

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Solution

The fourth proportional to 48,450.20, 66,819.62 and 31,437.68 is: 43,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,450.20 : 66,819.62 = 31,437.68 : x
  2. Step 2: Convert to fraction form
    48,450.20/66,819.62 = 31,437.68/x
  3. Step 3: Cross multiply
    48,450.20x = 66,819.62 × 31,437.68
  4. Step 4: Simplify right side
    48,450.20x = 2,100,653,831.28
  5. Step 5: Solve for x
    x = 2,100,653,831.28/48,450.20
  6. Step 6: Final answer
    x = 43,356.97

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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.