Home / 37,902.21-52,305.39-21,986.93

Finding the Fourth Proportional to 37,902.21, 52,305.39 and 21,986.93

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Solution

The fourth proportional to 37,902.21, 52,305.39 and 21,986.93 is: 30,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,902.21 : 52,305.39 = 21,986.93 : x
  2. Step 2: Convert to fraction form
    37,902.21/52,305.39 = 21,986.93/x
  3. Step 3: Cross multiply
    37,902.21x = 52,305.39 × 21,986.93
  4. Step 4: Simplify right side
    37,902.21x = 1,150,034,687.03
  5. Step 5: Solve for x
    x = 1,150,034,687.03/37,902.21
  6. Step 6: Final answer
    x = 30,342.15

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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.