Home / 37,561.71-51,833.55-20,565.64

Finding the Fourth Proportional to 37,561.71, 51,833.55 and 20,565.64

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Solution

The fourth proportional to 37,561.71, 51,833.55 and 20,565.64 is: 28,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,561.71 : 51,833.55 = 20,565.64 : x
  2. Step 2: Convert to fraction form
    37,561.71/51,833.55 = 20,565.64/x
  3. Step 3: Cross multiply
    37,561.71x = 51,833.55 × 20,565.64
  4. Step 4: Simplify right side
    37,561.71x = 1,065,990,191.31
  5. Step 5: Solve for x
    x = 1,065,990,191.31/37,561.71
  6. Step 6: Final answer
    x = 28,379.71

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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.