Home / 37,815.63-52,191.90-21,909.75

Finding the Fourth Proportional to 37,815.63, 52,191.90 and 21,909.75

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Solution

The fourth proportional to 37,815.63, 52,191.90 and 21,909.75 is: 30,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,815.63 : 52,191.90 = 21,909.75 : x
  2. Step 2: Convert to fraction form
    37,815.63/52,191.90 = 21,909.75/x
  3. Step 3: Cross multiply
    37,815.63x = 52,191.90 × 21,909.75
  4. Step 4: Simplify right side
    37,815.63x = 1,143,511,481.03
  5. Step 5: Solve for x
    x = 1,143,511,481.03/37,815.63
  6. Step 6: Final answer
    x = 30,239.12

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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.