Home / 37,588.79-51,870.30-20,589.64

Finding the Fourth Proportional to 37,588.79, 51,870.30 and 20,589.64

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Solution

The fourth proportional to 37,588.79, 51,870.30 and 20,589.64 is: 28,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,588.79 : 51,870.30 = 20,589.64 : x
  2. Step 2: Convert to fraction form
    37,588.79/51,870.30 = 20,589.64/x
  3. Step 3: Cross multiply
    37,588.79x = 51,870.30 × 20,589.64
  4. Step 4: Simplify right side
    37,588.79x = 1,067,990,544.34
  5. Step 5: Solve for x
    x = 1,067,990,544.34/37,588.79
  6. Step 6: Final answer
    x = 28,412.47

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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.