Home / 38,180.36-57,218.70-28,356.68

Finding the Fourth Proportional to 38,180.36, 57,218.70 and 28,356.68

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Solution

The fourth proportional to 38,180.36, 57,218.70 and 28,356.68 is: 42,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.36 : 57,218.70 = 28,356.68 : x
  2. Step 2: Convert to fraction form
    38,180.36/57,218.70 = 28,356.68/x
  3. Step 3: Cross multiply
    38,180.36x = 57,218.70 × 28,356.68
  4. Step 4: Simplify right side
    38,180.36x = 1,622,532,365.92
  5. Step 5: Solve for x
    x = 1,622,532,365.92/38,180.36
  6. Step 6: Final answer
    x = 42,496.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.