Home / 37,507.20-51,759.84-20,740.32

Finding the Fourth Proportional to 37,507.20, 51,759.84 and 20,740.32

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Solution

The fourth proportional to 37,507.20, 51,759.84 and 20,740.32 is: 28,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,507.20 : 51,759.84 = 20,740.32 : x
  2. Step 2: Convert to fraction form
    37,507.20/51,759.84 = 20,740.32/x
  3. Step 3: Cross multiply
    37,507.20x = 51,759.84 × 20,740.32
  4. Step 4: Simplify right side
    37,507.20x = 1,073,515,644.75
  5. Step 5: Solve for x
    x = 1,073,515,644.75/37,507.20
  6. Step 6: Final answer
    x = 28,621.59

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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.