Home / 37,667.08-51,980.90-20,900.36

Finding the Fourth Proportional to 37,667.08, 51,980.90 and 20,900.36

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Solution

The fourth proportional to 37,667.08, 51,980.90 and 20,900.36 is: 28,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,667.08 : 51,980.90 = 20,900.36 : x
  2. Step 2: Convert to fraction form
    37,667.08/51,980.90 = 20,900.36/x
  3. Step 3: Cross multiply
    37,667.08x = 51,980.90 × 20,900.36
  4. Step 4: Simplify right side
    37,667.08x = 1,086,419,523.12
  5. Step 5: Solve for x
    x = 1,086,419,523.12/37,667.08
  6. Step 6: Final answer
    x = 28,842.68

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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.