Home / 37,281.51-51,447.84-20,285.31

Finding the Fourth Proportional to 37,281.51, 51,447.84 and 20,285.31

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Solution

The fourth proportional to 37,281.51, 51,447.84 and 20,285.31 is: 27,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,281.51 : 51,447.84 = 20,285.31 : x
  2. Step 2: Convert to fraction form
    37,281.51/51,447.84 = 20,285.31/x
  3. Step 3: Cross multiply
    37,281.51x = 51,447.84 × 20,285.31
  4. Step 4: Simplify right side
    37,281.51x = 1,043,635,500.09
  5. Step 5: Solve for x
    x = 1,043,635,500.09/37,281.51
  6. Step 6: Final answer
    x = 27,993.38

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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.