Home / 37,785.58-52,145.08-20,790.26

Finding the Fourth Proportional to 37,785.58, 52,145.08 and 20,790.26

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Solution

The fourth proportional to 37,785.58, 52,145.08 and 20,790.26 is: 28,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,785.58 : 52,145.08 = 20,790.26 : x
  2. Step 2: Convert to fraction form
    37,785.58/52,145.08 = 20,790.26/x
  3. Step 3: Cross multiply
    37,785.58x = 52,145.08 × 20,790.26
  4. Step 4: Simplify right side
    37,785.58x = 1,084,109,770.92
  5. Step 5: Solve for x
    x = 1,084,109,770.92/37,785.58
  6. Step 6: Final answer
    x = 28,691.10

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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.