Home / 37,378.68-51,579.96-21,028.32

Finding the Fourth Proportional to 37,378.68, 51,579.96 and 21,028.32

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Solution

The fourth proportional to 37,378.68, 51,579.96 and 21,028.32 is: 29,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.68 : 51,579.96 = 21,028.32 : x
  2. Step 2: Convert to fraction form
    37,378.68/51,579.96 = 21,028.32/x
  3. Step 3: Cross multiply
    37,378.68x = 51,579.96 × 21,028.32
  4. Step 4: Simplify right side
    37,378.68x = 1,084,639,904.47
  5. Step 5: Solve for x
    x = 1,084,639,904.47/37,378.68
  6. Step 6: Final answer
    x = 29,017.61

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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.