Home / 37,575.39-51,855.68-20,808.39

Finding the Fourth Proportional to 37,575.39, 51,855.68 and 20,808.39

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Solution

The fourth proportional to 37,575.39, 51,855.68 and 20,808.39 is: 28,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,575.39 : 51,855.68 = 20,808.39 : x
  2. Step 2: Convert to fraction form
    37,575.39/51,855.68 = 20,808.39/x
  3. Step 3: Cross multiply
    37,575.39x = 51,855.68 × 20,808.39
  4. Step 4: Simplify right side
    37,575.39x = 1,079,033,109.11
  5. Step 5: Solve for x
    x = 1,079,033,109.11/37,575.39
  6. Step 6: Final answer
    x = 28,716.48

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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.