Home / 37,759.68-52,110.72-20,992.32

Finding the Fourth Proportional to 37,759.68, 52,110.72 and 20,992.32

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Solution

The fourth proportional to 37,759.68, 52,110.72 and 20,992.32 is: 28,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,759.68 : 52,110.72 = 20,992.32 : x
  2. Step 2: Convert to fraction form
    37,759.68/52,110.72 = 20,992.32/x
  3. Step 3: Cross multiply
    37,759.68x = 52,110.72 × 20,992.32
  4. Step 4: Simplify right side
    37,759.68x = 1,093,924,909.67
  5. Step 5: Solve for x
    x = 1,093,924,909.67/37,759.68
  6. Step 6: Final answer
    x = 28,970.71

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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.